What happens when the seafloor spreads?

Answers

Answer 1
Sea-floor spreading is what happens at the mid-oceanic ridge where a divergent boundary is causing two plates to move away from one another resulting in spreading of the sea floor. As the plates move apart, new material wells up and cools onto the edge of the plates.

Related Questions

layers of sediment forming at the bottom of the ocean

Answers

Answer:

Is called Deposition

Explanation:

:)

Answer:Deposition:

Layers of sediment forming at the bottom of the ocean.

hope this help! ^^

The solid, outermost layer of the Earth is ___________.
A)
core
B)
lithosphere
C)
atmosphere
D)
crust
E)
mantle

Answers

Answer

d.crust

Explanation

because he covered the layer of the earth

Answer:

the lithosphere

Explanation:

The lithosphere is the outermost layer of the Earth. It is a rocky shell that covers the hot, convective mantle and the core.

How do craters on other solar system objects provide evidence about earth?

Answers

Answer:

The surfaces of asteroids and the rocky, ice covered moons of the outer gas planets are cratered as well. The craters left by impacting objects can reveal information about the age of a planet's surface and the nature and composition of the planet's surface at the time the crater was formed.

Explanation:

Why do different cells have different functions?
a All cells have the same functions.
b Because different cells have different genes.
c Because different cells have diferent DNA.
d Because different cells have different proteins.

Answers

Answer: its b

Explanation:

Which is a correct statement regarding the symmetry of the adult Porifera and the symmetry of the adult Cnidaria?

a. The Porifera are asymmetrical, while the Cnidaria are radially symmetrical.
b. The Cnidaria are asymmetrical, while the Porifera are radially symmetrical.
c. Both the Porifera and the Cnidaria are asymmetrical.
d. Both the Porifera and the Cnidaria are radially symmetrical.

Answers

Answer:

The correct answer is - a. The Porifera are asymmetrical, while the Cnidaria are radially symmetrical.

Explanation:

In biology, symmetry f the body is meant the presence of a pair of organs in an orderly manner that if divide the body each part is a mirror of the other. In the phylum Porifera have asymmetric body plane.

Some animals develop into adults with radial symmetry. Cnidaria adults have radial symmetry type of body plans that eans if they are cut from the middle they divide in the two equal organs into both sides.

Which statement about natural changes to ecosystems is true?
A)
Natural changes always decrease the productivity of an ecosystem.
B)
Natural changes allow for greater biodiversity.
C)
Natural changes limit opportunities for symbiotic relationships.
D)
Natural changes limit adaptability.
E)
Natural changes do not allow ecosystems to return to a healthy state.

Answers

B natural changes allow for greater biodiversity

What do all living things have? Check all that apply.entify Characteristics Sharedngs

feelings

metabolism

genes

a nutritional diet

organisms

a limited life span

cells

Answers

Answer:

Cells

Explanation:

Living organisms all have cells

Answer:

its actually a "check all that apply " answer. the corrects answers are b, c, f, g.

(metabolism, genes, a limited life span, and cells.)

have a good day and good luck :)

Explanation:

Looking at the Punnett square, what are the possible genotypes and frequencies
of Martha and John's children? *
A
a
а
Аа
аа
а
Аа
аа
Your answer

Answers

Answer:

50% or 1/2 of the children will be heterozygous.

50% or 1/2 of the children will be recessive hom0zygotic.

Explanation:

How do proteins interact with viruses?

Answers

Viral infection involves a large number of protein protein interactions (PPls) between virus and its host. These interactions rage from the initial binding of viral coat proteins to host membrane receptor to the hijacking the host transcription machinery by viral proteins.

Enzymes are protein catalysts. What is the role of a catalyst?

Answers

Answer:

Enzymes are proteins functioning as catalysts that speed up reactions by lowering the activation energy. A simple and succinct definition of an enzyme is that it is a biological catalyst that accelerates a chemical reaction without altering its equilibrium.

Catalysts make such a breaking and rebuilding happen more efficiently. They do this by lowering the activation energy for the chemical reaction. Activation energy is the amount of energy needed to allow the chemical reaction to occur. The catalyst just changes the path to the new chemical partnership.

catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism. Enzymes are proteins that act as catalysts in biochemical reactions.

Why are carbon dioxide concentrations expected to increase?
A) Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected
to increase.
B) Carbon dioxide concentrations are expected to increase, because of an increase in agriculture.
C) Carbon dioxide concentrations are expected to increase, because more land will have to be
cleared for increasing populations and agricultural use.
D) Carbon dioxide concentrations are expected to increase, because the amount of vegatation cover
and hence photosynthesis which reduces it continue to decrease.
E) All of the above
Please select the best answer from the choices provided

Answers

Explanation:

all apple but in terms of usage,I think C and A are very extensive

Answer:

its all of the above

Explanation:

6. During the very early stages of a person's life cycle, the rate of cell division proceeds rapidly. During this time, cells show little growth. What can you conclude from this information about the cell cycle during these very early stages of development?
F The cell cycle consists mainly of a long G phase.
G The cell cycle consists mainly of short M and S phases.
H Most cells exit the cell cycle.
j Most cells will not undergo mitosis.​

Answers

The answer the the following questions is yeah

1. Imagine that the class had 25% of students with free earlobes and 75% with attached earlobes. What would this suggest about the frequency of the dominant (F) and recessive (f) alleles for these traits in the class population? Explain your reasoning.

Answers

Answer:

People with free earlobes carry one or two dominant alleles which means that the free earlobe is a dominant trait over attached earlobes that carries two recessive alleles. The recessive allele is represented by f and the dominant allele is represented by F.

It is given that in a class 25% of students in the class had free earlobes which means either 25% of total alleles are FF or Ff and the rest 75% have ff. It suggests that recessive alleles have more frequency than dominant alleles.

Use the diagram below to help you to choose ALLL the CORRECT answers for the question: What are the differences between Meiosis i and Meiosis II?
(MULTIPLE CHOICE)

A In Metaphase I and Metaphase II the chromosomes line up differently because there are a different number of copies


B Telophase and cytokinesis do NOT happen in Meiosis II


C After Meiosis II the 4 daughter cells undergo cell specialization to become eggs or sperm, which does not happen after Meiosis I


D In Prophase I the chromosomes crossover, in Prophase II they do not crossover

Answers

Answer:

D In Prophase I the chromosomes crossover, in Prophase II they do not crossover

Explanation:

Meiosis is a type of cell division in which four daughter cells, which are genetically different from one another, are produced. The daughter cells have their chromosomal number reduced by half. Since, the meiotic process aims at producing haploid gametes, it occurs in a series of two-division steps viz: meiosis I and meiosis II.

Meiosis I involves the separation of homologous chromosomes into two daughter cells while the meiosis II involves separation of chromatids to make four daughter cells. One major difference between meiosis I and meiosis II is that in the PROPHASE of meiosis I, a unique process called CROSSING OVER occurs but does not occur in meiosis II (as seen in the attached image).

how many co2 produced in 3 glucose​

Answers

Answer:

Co2 produced in 3 glucose is 2

Please Help! write and interpret the chemical formula for cellular respiration. identify the reactant and products

Answers

Answer:C 6 H 12 O 6 + 6 O 2 --> 6 CO 2 + 6 H 2 O + ATP is the complete balanced chemical formula

Explanation:

Which is true about scientific Knowledge??

A. It is never reliable.
B. It is open to change.
C. It is rarely proven wrong.
D. It always becomes a fact.

Answers

Answer:

C

Explanation:

MORE HELP PLZ
Which group of organisms evolved first?
amphibians
fish
reptiles
mammals

Answers

Answer:

I'm pretty sure it's fish since they evolved into both reptiles and amphibians

Explanation:

The first creatures that evolved the first are fish. The first creatures they were evolved before amphibians,reptiles and mammals were  fish.

What is the king organism of reptiles ?

The king organism of reptiles category is crocodile.

Amphibians, reptiles, mammals  and birds evolved after fish where the first amphibians that  evolved from a lobe-finned fish ancestor about 365 million years ago. Fishes  were the most earliest  vertebrates to live on land but they had to return to water in order to  reproduce.

The first vertebrates were therefore the fishes that had the different categories  from chordates and vertebrates where few had the notochord and few had the vertebral columns.

Learn more about vertebrate fishes at :

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The optimal temperature for the human body is around 98.6’ F. If a young child was running a temperature of 102’ F predict what affect this change in environment would have on the enzymes present in the child’s body. Explain your reasoning.

Answers

All kids get a fever from time to time. A fever itself usually causes no harm and can actually be a good thing — it's often a sign that the body is fighting an infection.

But when your child wakes in the middle of the night flushed, hot, and sweaty, it's easy to be unsure of what to do next. Should you get out the thermometer? Call the doctor?

Fever happens when the body's internal "thermostat" raises the body temperature above its normal level. This thermostat is found in a part of the brain called the hypothalamus. The hypothalamus knows what temperature your body should be (usually around 98.6°F/37°C) and will send messages to your body to keep it that way.

Most people's body temperatures change a little bit during the course of the day: It's usually a little lower in the morning and a little higher in the evening and can vary as kids run around, play, and exercise.

Sometimes, though, the hypothalamus will "reset" the body to a higher temperature in response to an infection, illness, or some other cause. Why? Researchers believe that turning up the heat is a way for the body to fight the germs that cause infections, making it a less comfortable place for them.

Which items are matter?

Answers

Answer:

everything is matter

Explanation:

battery and mobile phone

HURRY IM TIMED. Kisha is trying to determine if a cell is a plant or animal cell. She observes the cell under the microscope and describes some of the structures she sees. Which can help her identify the cell? a rigid, stiff structure surrounding the cell a jelly-like substance that protects organelles small sacs that seem to digest materials small roundish structures all over the cytoplasm

Answers

Answer:

I do know it may form Lysosomes

but the way to identify a cell is it's structures

and how it works

my guess would be a jelly-like substance that protects organelles small sacs that seem to digest materials small roundish structures all over the cytoplasm

proces

26. Suppose the two guanosine (G) nucleotides in #3 above were changed to two cytosine (C) nucleotides. What is the new amino acid chain?

Answers

Answer:

This question is incomplete

Explanation:

This question is incomplete but the completed question can be found in the attachment below.

During protein synthesis, a sequence of three mRNA nucleotides (called codons) correspond to specific amino acids. From the question, the change in guanosine nucleotides will change the sequence as follow

DNA:   T--A--C--A--A--C--T--A--C--T--T--C--T--T--T--C--T--T--A--A--A

mRNA:             A--U--G|-U--U--G|-A--U--G|-A--A--G|-A--A--A|-G--A--A|-U--U--U

Amino Acids:       met --     leu   --   met   --  lys    --   lys    --    Glu   --  Phe

The new amino acid sequence is represented above from the new DNA sequence.

"Change over time" best describes what?

Answers

"change over time" best describes evolution

Which of the following is the main idea of paragraph 2? A.Offspring have a combination of traits from their parents. B.Parents have different traits that are passed on to their offspring. C.Genes control the traits particular humans possess. D.Red hair is a trait that is inherited from one's parents.​

Answers

Answer Its b

Explanation:I took the test

The author compares the movement of the plates to chunks of ice moving on the top of the frozen river. This comparison is used to:

Answers

Answer:

this comparison is used to help explain the movement of the plates, to give an example of the movement.

Explanation:

This analogy is used to illustrate the movement of the plates and to assist understand it.

What is plate tectonics?

A uniform framework for comprehending mountain-building processes, volcanic eruptions, earthquakes, the evolution of the Earth's surface, and reconstructing the planet's former continents and oceans was provided by the plate tectonics theory, which deals with the dynamics of the lithosphere, the outer shell of the planet. This theory revolutionized Earth sciences.

In the 1960s, the theory of plate tectonics was developed. The lithosphere, which is Earth's outermost layer and is normally around 100 km (60 miles) thick, sits on top of the asthenosphere, which is malleable and partially molten. The lithosphere is divided into numerous tiny plates, six or seven medium-sized regional plates, and seven extremely massive continental and oceanic plates.

These plates interact at their borders, where they converge, diverge, or slide past one another, moving relative to one another often at speeds of 5 to 10 cm (2 to 4 inches) each year. Although earthquakes and volcanoes can occur in plate interiors, these interactions are regarded to be the main cause of the majority of Earth's seismic and volcanic activity.

Where plates press together or converge, mountains will rise, and where plates pull away or diverge, continents will split and oceans will arise. Since the continents are passively drifting with the plates over the course of millions of years, the Earth's geography has undergone enormous changes.

Therefore, this analogy is used to illustrate the movement of the plates and to assist understand it.

Read more about plates tectonics, here

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Which of the following organisms have the ability to do photosynthesis

Answers

Answer:

any plants

Explanation:

When the head is tilted, what are the structures the signal passes through on its way to becoming a fully processed neural signal within the brain?
When the head is tilted, the fluid within the_____of the inner ear moves. The exact location of stimulated cells depends on the plane of movement-with each plane being represented by a different part of that structure. The movement of fluid stimulates______which transduce the signal into an electrical signal. This signal travels through the_____nerve to the____nucleus of the_____.

Answers

Answer:

The fluid within the semicircular ducts of the inner ear, that is, endolymph moves when the head is tilted. The precise position of the stimulated cells relies upon the plane of movement with each vertical or horizontal plane being signified by distinct parts of its composition. The hair cells that transduce the signal into an electrical signal get stimulated due to the movement of fluid. The conduction of this signal takes place via the auditory nerve to the cochlear nucleus of the brainstem.

Within the inner ear cochlea, the stimulation of the hair cells or stereocilia takes place by endolymph, it is a fluid present in semicircular ducts. After stimulation, the hair cells mediate electric signals to the brain via the auditory nerve, these are the nerve bundles that carry signals of sound. The initial central auditory composition found in the brainstem is the Cochlea nucleus.

Answer:

the fluid within the -semicircular canals- of the inner ear  moves. the movement of the fluid stimulates the -hair cells- which transduce the signal into an electric signal. This signal travels through the -vestibulocochlear nerve- to the vestibular nucleus of the -medulla oblongata-.

Explanation:

Help !!!!
7. The genes that are most likely to influence the person's trait are ________
and represented by a ________
letter.
A. Hormones, Capital
B. Dominant, Capital
C. Recessive, Small
D. Dominant, Small

Answers

Answer:

B

Explanation:

The genes that are most likely to influence the person's trait are Dominant

and represented by a Capital letter

What reproductive advantage do amniotes have over pre- amniotes

Answers

Answer:

we take longer to reproduce sadly.

The density of a substance equals its mass divided by its volume. Talia listed the density of some common materials at 20 °C.

Material / Density (g/cm3)
gasoline = 0.70
mercury = 13.6
milk = 1.03
water = 0.998

If Talia has 10 grams of each material, which material has the greatest volume?
Show your work below.

Answers

Answer:

some common materials at 20°C

Material

Density (g/cm3)

gasoline

0.70

mercury

136

milk

1.03

water

0.998

If Talia has 10 grams of each material, which material has the greatest volume?

Explanation:

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