Which statement accurately describes radioactive dating?

A.Geologists use only one type of radioactive dating.
B.Geologists compare parent and daughter elements to determine rock type.
C.Geologists will measure how stable multiple parent elements can decay into multiple daughter elements.
D.Geologist compare the observed abundance of naturally occurring radioactive isotopes and their decay products using decay rates.

Answers

Answer 1

Answer:

D. Geologist compare the observed abundance of naturally occurring radioactive isotopes and their decay products using decay rates.

Explanation:

Radioactive dating is the method in which radioactive isotopes are employed to evaluate the age of rocks and ores. There are many complex radioisotopes utilized for radioactive dating is like Potassium, Uranium, and Carbon. Radioactive dating operates on the system that a radioactive isotope can fade into the constant daughter nuclei at a steady rate. Geologist commonly uses the system for half life. Half-life is the time needed for half of the radioactive element to decline. This is fixed for a selective element.

Answer 2

Answer: D

Explanation:


Related Questions

How do adaptations lead to change?

Answers

In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments

PLEASE HURRY I AM TIMED!!!
Are aliens real? Explain your answer.

Answers

Answer:

No, not according to any sciences (unless you mean aliens as in immigrants)

Explanation:

There is no way that we are the only living thing in the entire world. There has to be another species out there.  They might be wondering if there is another living thing out in space too.

What causes weathering A. natural processes only B. chemical processes only
C. Weather related processes only D. physical and chemical processes

Answers

Answer:

I believe that the answer is A. Natural processes only, although I could be wrong.

Explanation:

There are two types of weather, mehanical and chemical, but I think the answer is A.

Two offspring from same parents can have different phenotypes. How is this possible?​

Answers

Answer:

Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism. However, an allele that is hidden, or not expressed by an organism, can still be passed on to that organism's offspring and expressed in a later generation.

Explanation:

Overdominance, in instance, happens when a heterozygote exhibits a more extreme phenotype than either of its parents.

What is heterozygote?

Heterozygote is defined as a person, animal, or other thing possessing a pair of different alleles of a specific gene, one of which is dominant and the other recessive. One normal allele and one mutated allele, or two distinct mutated alleles, can make up a heterozygous genotype.

The explanation is connected to the fact that each parent has two different gene pools. Furthermore, only 50 percent of each parent's DNA is transferred to their offspring. and that the portion that is passed down is random. Every child has a unique set of genes thanks to the interaction of all these influences.

Thus, overdominance, in instance, happens when a heterozygote exhibits a more extreme phenotype than either of its parents.

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Please help me due tonight!

Answers

Answer:

Meiosis I ==> Interphase - Prophase - Metaphase - Anaphase - Telaphse - genes

Meiosis II ==> Prophase - Metaphase - Anaphase - Telaphase - genes

unlike mitosis which has only one form

How are chromosomes affected by aging

Answers

Answer:

delaying cell senescence, apoptosis, and death

Explanation:

Answer:

the enzyme telomerase adds specific DNA sequence repeats to the chromosome ends that are lost through cell division, thus restoring telomere length and delaying cell senescence, apoptosis, and death

Explanation:

1. Which part of the cell membrane acts like bridge and only allows certain materials in and out
2.
Because a membrane is picky and only lets in certain materials the membrane in considered_______

Answers

Answer:

1.phospholipid bilayer

2. selectively permeable

please help meeeeeeeeeee

Answers

Answer:

D

Explanation:

D like the person above

What mineral is produced when two atoms of iron Chemically Combined With three Atoms of oxygen

Answers

Answer:

Hematite

Explanation:

Hematite is created with two iron atoms to three oxygen atoms, and magnetite, with three iron atoms to four oxygen atoms,  which are both iron oxides.

What is the difference between a detritivore and a decomposer?
A.While detritivores consume animals, decomposers only consume plants.
B. While detritivores feed on dead organic matter, decomposers actually break down dead or decaying organisms.
C. While detritivores consume both plants and animals, decomposers only consume dead animals.
D. While detritivores are heterotrophic, decomposers are autotrophic.

Answers

What are detrivores?

Detritivores are organisms that feed on the organic waste of dead plants and animals

What are decomposers?

Decomposers are organisms that break down dead or decaying organisms; they carry out decomposition, a process possible by only certain kingdoms, such as fungi. Decomposers are the organisms that decompose dead plants and animals.

Difference between detrivores and decomposers

Option C is the the correct answer

While detritivores consume both plants and animals, decomposers only consume dead animals.

Read more about organisms

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Answer:

While detritivores feed on dead organic matter, decomposers actually break down dead or decaying organisms.

Explanation:

The answer explains itself. It is accurate information. :) Have a good day!

Why do you think that some definitions of forest have a certain percentage of the land that must be covered in trees?

Answers

Answer:

30 percent tree cover - 2000 - 2009JPEG ... of forest cover vary widely—as much as 6 percent of Earth's land area, or the equivalent area of China.

Explanation:

i need some help on this i dont know can someone plz help me

Answers

Answer:

D is your answer I believe

an adaptation is A a trait that helps an organism survive in its enivironment

Answers

Answer:

True

Explanation:

The given statement is true. An adaptation is any characteristic that helps an organism survive or reproduce. As the environment changes, organisms that inhabit it have to change as well in order to survive. The changes they go through can be physical or behavioral. For example, giraffes have very long necks so that they can reach the leaves of tall trees, and birds have very light bones so that they can fly. This is how species continue to thrive for a very long time.

The folded plasma membrane inside the cell is the ______.
A: endoplasmic reticulum
B: mitochondria
C: vacuole
D: vesicle

Answers

A is the answer because this the only thing that folds

which layer of the earth is made out of melted metal?

Answers

The outer core. A molten nickle- iron alloy.

Look at the plant in the picture below.
This plant is vascular but does not produce seeds. To which of the following groups does this plant belong?
A. flowering plants
B.
conifers
C.
ferns
D.
mosses

Answers

The answer is C. At first I thought it was D but it actually belongs to clubmosses

The following groups of plant belongs to ferns.

What are the characteristics of ferns?

A fern is a member of a group of vascular plants that reproduce via spores and have neither seeds nor flowers.

In their natural environment, most ferns grow in humid forests or on the bank of a water source, so they generally require very moist soil. Even fern varieties that become drought tolerant as they mature usually require moist soil at planting time.

Similar to flowering plants, ferns have roots, stems and leaves. However, unlike flowering plants, ferns do not have flowers or seeds; instead, they usually reproduce sexually by tiny spores or sometimes can reproduce vegetatively, as exemplified by the walking fern.

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The National Academy of Sciences reported that the Earth's surface temperature has risen by about 1 degree Fahrenheit in the past century. This is an example of a change in Earth's

Answers

Answer:

Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels.

How is evaporation related to precipitation?

Answers

Since Precipitation is rain evaporation is water which is turning in to gas and goes to the air or atmosphere

“Fish and other wildlife become unhealthy and die without __________.”

Oxygen
Carbon Dioxide
Eutrophication

(This is 7th grade science)

Answers

Answer:

Oxygen

Explanation:

Andwer is oxygen if not then eutrophication

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3. How do the biotic factors in an ecosystem depend on the abiotic factors

Answers

Answer:

biotic factors depend on abiotic factors for survival

Explanation:


Which of the following characteristics of carbon is responsible for the variety of carbon-based molecules on Earth?

Answers

Answer:

It can form bonds.

Explanation:

(I'm in ap bio  so I know a lot, lol, hope that helps)

How does a straight alignment between arth, the
sun, and the moon impact the tides on Earth?
A.
It produces the greatest change in high and
low tides.
B
It produces the least change in high and low
tides.
It produces semidiurnal tides.
It produces diurnal tides.
C.
D

Answers

Answer: A. It produces the greatest change in high and low tides

Explanation:

Answer:

A. It produces the greatest change in high and low tides

Explanation:

I hoped this helped! Have a great day!

the final phase of mitosis characterized by the separated chromosomes reaching the poles
of the cell. The nuclear membrane and nucleolus begins to reappear around each set of
chromosomes

Answers

Answer:

Telophase

Explanation:

How do fungi and plants differ?

Answers

Answer:

Option 2, i hope that helps instead of my last answer, lol

Answer:

Explanation:

One of the main differences between plants and fungi is that fungi have chitin as a component of their cell walls instead of cellulose. ... Fungi absorb all the nutrients they need from the soil unlike plants which require chlorophyll to conduct photosynthesis.

Hopes this helps tbh-

Please show/demonstrate any INTERACTION between two blotic factors or between a biotic and abiotic factor. Don't forget to explain if the parts are biotic and/or abiotic and make sure there's some kind of ACTION going on (Ecology).

Answers

The abiotic factors are water, soil, air, and sunlight them are componentes No living and chemical components in the environment and biotic factors are living componentes examples birds, animals, plants etc

Arrange these energy sources from highest to lowest percentage of worldwide use. 1, Nuclear 1. Coal * Hydroelectric​

Answers

Explanation:

hydro coal nuclear i think it would like thst

The arrangement of the energy according to the highest to the lowest percentage of worldwide use is coal, hydroelectric and nuclear. The arrangement is 2, 3, and 1.

What is energy?

Energy is a quantitative property that is used in doing any work. The energy is always transferred from one form to another form. It is present in the conserved form.

The energy which is used majorly is coal, then hydroelectricity, which is made by water then the nuclear power plant.

Thus, the arrangement is 2. Coal, 3, hydroelectric, 1. Nuclear energy.

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The difference between active and passive transport is that–

A. Passive transport requires energy to move molecules up a concentration gradient, and active transport does not.

B. Passive transport can only move specific particles across a membrane, and active transport can move any particle.

C. Active transport requires energy to move molecules up a concentration gradient, and passive transport does not.

D. Active transport moves molecules in animal cells, and passive transport moves molecules in plants.

Answers

Answer:b

Explanation:

Answer:

moves particles from an area of low concentration to an area of high concentration.

Explanation:

edge

Which other food items were digested by lactase, the enzyme that breaks down milk?

Answers

Answer:

im not sure what you mean by this question but ill answer the best way i can!

Explanation:

Bread and baked goodsMilk chocolate and some candiesSalad dressings and saucesBreakfast cereals and cereal barsInstant potatoes, soups, rice and noodle mixesLunch meats (other than kosher)Cheese flavored crackers and other snacks

these are foods containing lactose in them, which lactase breaks down.

hope this helps!

Does natural selection act on individual or does it act on something else ?

Answers

Answer:

huh

I don't know

Answer:

Yes and no

Explanation:

Natural Selection is the process of organisms adapting to the environment around them so yes individuals are effected through them adapting to the changes and they later pass their good traits to their offspring, and eventually the individuals who don't adapt die off, but the natural selection as a whole is just the process.

What are the 3 main types of star "corpses"? plz hurry

Answers

Answer: white dwarfs, neutron stars, and black holes

Explanation:

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