4. In science, most concepts are related to other concepts. Which of the following is most closely related to the Law
of Conservation of Mass?
A. when rocks are deposited in layers, the oldest layer is on the bottom
B. pressure from a gas increases as the volume decreases
C. energy can neither be created nor destroyed
D, the force of gravity decreases as distance is increased
Answer:
C. energy can neither be created nor destroyed
Explanation:
The law of conservation of mass states that in a chemical reaction mass can neither be created nor destroyed. Similarly, the law of conservation of energy states that the amount of energy in an isolated system is conserved ie. the amount of energy can neither be created nor destroyed, but instead changes form.
Deoxyribose differs from glucose because it:
a) Contains 5 carbon atoms
b) Is a polysaccharide
c) Is a hexose
d) Contains twice as many hydrogen atoms as oxygen atoms
Answer:
I think it's d but I am not too sure
why do a lot of cave remain unexplored?
(earth interior question)
Answer:
Caves are distributed widely across the globe. So far, about 17,000 caves have been discovered in just the U. S., and many more have yet to be discovered.
Explanation:
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The table shows a mutation in a DNA sequence.
Original
GCATATGCTATAGCGACT
Mutated
GCATTGCTATAGCGACT
What type of mutation is depicted in the table?
O A. deletion
OB.insertion
O C. substitution
D. point
its type of mutation depicted in the table is D.point
Phosphorus in soil is transformed into insoluble compounds unless what happens?
Answer:
It is not absorb by the plants, it turns into insoluble form.
Explanation:
Phosphorus in soil is transformed into insoluble compounds unless not used by the plants. The insoluble phosphorus is transform into soluble form in the soil by phosphorus solubilizing bacteria. The phosphorus solubilizing bacteria helps in conversion of insoluble phosphorus into soluble phosphorus which can absorb by the plants. If the phosphorus is not absorb by the plants and present for a long time, it can be converted into insoluble form which is unavailable for the plants which can be converted back with the help of phosphorus solubilizing bacteria.
Explain at least two advantages of having both parents involved in raising a child as part of a two-parent family.
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Answer:
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Explanation:
What is heat?........
Hi There ! Well let's comprehend the topic a bit better and let me walk you through...
Heat!We normally use heat to make food A cup of coffee in the morning or When we are doing our backyard hangouts we use heat to make Yummy steak!Heat isnt always just used to make food!We use heat to Warm up our houses ! Like a chimney we make heat to warm up our houses! Or some people use furnaces it also produces heat and warms up your room or house! Well now that we know what we use it for ....What is heat?
Of course Heat!
Heat is The energy that transfers to many different entities With a slight or major temperature difference!Please take in mind that heat only transfers to objects that are cooler than heat itself!Which means that it is energy that is transferred (or that flows ) from one object or system to another!
More info!
What are the 3 types of heat?Conduction, Convection, and Radiation.Heat can be measured in Btu, calories or joules what we use to measure heat is hermometers and pyrometers!
Hope this helps!
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Why are the following animals considered livestock? (What do we get from them?)
a. Cattle:
b. Sheep:
C. Pigs
d. Goats:
e. Horses:
f. Poultry:
The cell is the smallest part of a human that is still
an element
b
living
с
a theory
d
an egg
"Could you please help me? I have a question that is honestly NOT a homework
question. I am a Junior here at LTHS. "Could a man with type B blood and a
woman with type AB produce a child with type O blood?" I think not, because
type O is recessive, and the B's seem to be dominant. My cousin thinks yes.
Thank you for your help."
)Which sentence is written in third-person point of view?
Once a small crowd of protesters, we were now an angry mob.
Our small crowd of protesters was now an angry mob.
The small crowd of protesters had turned into an angry mob.
Your small crowd of protesters has now become an angry mob.
Answer:
C. The small crowd of protesters had turned into an angry mob.
Explanation:
Answer:
C
Explanation:
What are the two cell division processes called?
A mitsis and meisis
B RNA and DNA
C diploid and haploid
D mitosis and meiosis
Answer:
D. mitosis and meiosis
Explanation:
mitosis is a process whereby one cell makes an identical copy of it self and give rise to two cells that are genetically identical. meiosis produces four cells that have half the number of chromosomes of the cell and are generally different from the parent cell HOPE THIS HELPS YOU AND MAKES IT CLEARLY
what is the main function of the heart
Answer: Blood carries oxygen and other important nutrients that all body organs need to stay healthy and to work properly. Your heart is a muscle, and its job is to pump blood throughout your circulatory system.
Explanation:
4. There are two types of traits within a population. What vocabulary word does
this represent?
*
Overproduction
Variation
Descent with Modification
Adaptation
Answer:
The answer is Descent with Modification
Descent with Modification refers to the passing on of traits from parent organisms to their offspring. This passing on of traits is known as heredity, and the basic unit of the heredity is the gene.
how are pure carbon, oxygen, & hydrogen different from the compound ethanol which contains all three of those elements
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Answer:
They are different because ethanol is a compound that is made by a certain amount of carbon, oxygen and hydrogen, these are the elements that made up ethanol.
Explanation:
Think of it like this ethanol is a cake and carbon, oxygen and hydrogen is the eggs, flours and sugar that is used to make the cake.
what is the shape of the bacteria thiobacillus
Answer:
this bacteria has a rod shaped form
Answer:
rod-shaped
Explanation:
Bacteria in the genus Thiobacilli are classified within the order Pseudomonadales. They are small, rod-shaped cells (0.5 by 1–3.0 µm) which may be motile or nonmotile. Motility is due to a single polar flagellum. Bergey's Manual (1957) lists nine species, most of which are aerobic.
Clem is developing a model of a cell. He labels a central structure as the nucleus and writes a caption that describes how DNA is kept inside the nucleus. Which of the following is an important condition of Clem's model?
Answer:
The model describes eukaryotic cells, but not prokaryotic cells.
List all the systems involved in each of the following scenarios:
Answer:
The 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.
Explanation:
Hope this helps
In some plants, phloem cells are connected end-to-end by sieve plates, creating a direct connection between the cytoplasm of phloem cells. What is one possible benefit of having phloem cells connected in this manner?
Answer:
Explanation:
This is because the sieve plate interconnected like that help in exchange of substances or transport of substances between element cell and it act as a barrier to prevent the sap from been loss when phloem is damaged or cut. The sieve plates form the sieve tube which is the conducting element of the phloem. It is formed from series of elongated cells that are interconnected by perforations in their walls.
Juan picks up a steel utensil and immediately drops it because it's extremely hot. How does the reflex arc work to protect Juan from a worse burn?
Answer:
in a reflex arc, the (sensory) neuron carries the action potential from the (sense organ to the brain)
what are two or more genes producing a single trait
What 2 characteristics are used to place organisms into different kingdoms
Answer:
the type of living organisms like bacteria is classified into kingdom moneraHomologous structures in organisms suggest that the organisms
Group of answer choices
have a skeletal structure
must have lived at different times
have a common ancestor
During meiosis, chromosomes will split into daughter cells randomly, making each gamete unique. This is called __________________.
Answer:
i seem to be answering all of these
Explanation:
it's called cytokinesis :)
it splits the daughter cells up from two to four
Answer:
Cytokinesis
Explanation:
whats the shape of an organism preserved in rock called
A.) a mold
B.) a cast
C.) an imprint
D.) petrifican
Answer:
A.) a mold... ur welcome
The shape of an organism preserved in rock is called an imprint, which is present in Option C, when an organism dies and is preserved in rock, it may leave behind an impression or imprint of its shape .
What exactly are imprints?Imprints are formed when an organism's body leaves an indentation in soft sediment, such as mud or sand, before it is buried by additional sediment, as the sediment compacts and hardens into rock over time, the imprint of the organism's shape is preserved, and this type of fossilization is called "external mold," which can provide valuable information about the shape, size, and structure of ancient organisms such as footprints, trackways, and burrows.
Hence, the shape of an organism preserved in rock is called an imprint, which is present in Option C.
Learn more about the imprints by clicking here
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How does electrical energy travel?
1. through wires (conductor)
2. through an insulator
3. through space
Answer:
through wires
Explanation:
Electrical energy passes through conductors but may also travel through space but select wires as it is a more common answer.
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Answer:
c. How do the positions of the Sun and the tilt of Earth cause seasons?
Explanation:
Answer: C would be best answered by using a model
Explanation:
Matt use a camera to take a picture of a rose on a piece of paper in the picture the rose appear to be bright red and the background appear to be white then Matt place a blue glass filter over the camera lens and took another picture in this picture of the Rose appear to be black in the background appear to be blue explain what happens to light waves to make the appearance of the rules in the appearance of the background different in the two pictures.
The blue glass filter absorbed most of the red light waves and allowed only the blue light waves to pass through, resulting in the appearance of the rose and the background being different in the two pictures.
What is Light?
Light is a form of electromagnetic radiation that is visible to the human eye. It is a type of energy that travels in straight lines and has both wave-like and particle-like properties. Light is a fundamental part of our world and plays a crucial role in our lives.
Light is produced by the motion of charged particles, such as electrons, and can be emitted by sources such as the sun, light bulbs, and fires. Light travels at a constant speed of approximately 299,792,458 meters per second in a vacuum, which is known as the speed of light.
When Matt took the first picture of the rose on a piece of paper without any filter, the camera captured the visible light waves that were reflected by the rose and the background. The rose appeared bright red because it reflects mostly red light waves and absorbs other colors, and the background appeared white because it reflects all the visible light waves equally.
Learn more about Light from the given link
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(iii) Humans have four types of teeth. State which type of tooth mainly in (a) (ii) above.
Answer:
The correct answer is - molars.
Explanation:
Mechanical digestion takes place inside the mouth of an organism by the process called masticating with the help of teeth. There are four types of teeth in the mouth all help in the digestion of the feed incisor cuts the food, canines tear the food, premolars, and molars chew or masticate the food.
The main and major tooth that helps in mechanical digestion is the molar to chew food so it can mix with the saliva to make bolus and chemical digestion.