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polet [3.4K]
3 years ago
8

Sedimentary rocks are formed when soil, rocks, or the remains of dead organisms undergo layering and compaction over a long peri

od of time. The mass of the sedimentary rock is equal to the mass of the A) the soil and rock parts. B) organic materials in the rock. C) inorganic materials in the rock. D) the original items making the rock.
Biology
2 answers:
Tasya [4]3 years ago
6 0

D.) The original items making the rock.

Alla [95]3 years ago
3 0

it is D.

Sedimentary rocks are formed when soil, rocks, or the remains of dead organisms undergo layering and compaction. During these processes, mass is conserved. The materials needed to form a certain amount of rock is equal to the mass of the all the original parts making the rock.

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Selection that acts over evolutionary time to preserve traits that increase an individual's ability to mate is known as ________
deff fn [24]

The selection that acts over evolutionary time to preserve traits that increase an individual's ability to mate is known as se_xual selection.

<h3>What is se_xual selection?</h3>

The expression 'se_xual selection' makes reference to the type of evolutionary constraint on the individual's ability to mate.

Se_xual selection is fundamental to increase the genetic variation and thus enhance adaptive chances.

Se_xual selection can be considered a special type of natural selection that acts at an individual level.

Learn more about se_xual selection here:

brainly.com/question/3603359

4 0
2 years ago
Explain why cyclists, runners, and other endurance athletes train at high altitudes.
Sliva [168]

Answer:

higher altitudes have a lower level of oxygen which in turn, trains your lungs to hold and breathe more oxygen which also helps you cycle, run, etc. longer than usual

Explanation:

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3 years ago
What important changes occur in the nucleus and the cell during the longest phase of the cell cycle?
sp2606 [1]
The longest phase of mitosis is prophase. Because the nuclear membrane disappears, Nucleolus disintegrates, and the DNA condensed to form chromosomes (each chromosome is composed of sister chromatids attached around centromere.)
5 0
3 years ago
The four organisms illustrated are all capable of various forms of asexual reproduction. What processes, involving DNA and RNA,
skelet666 [1.2K]
The answer your looking for is C.
6 0
3 years ago
Read 2 more answers
Cholesterol is synthesized in the __________ and is the starting material for making ____________. Please choose the correct ans
lina2011 [118]

Answer:

<h2>Liver, testosterone </h2>

Explanation:

The cholesterol is an important type of organic molecule that has many important roles in organisms. It is a sterol that is also called a modified steroid. It plays an important role in the cell membrane of the organism. Generally, it is synthesized in the liver and some other parts of the body. The synthesis of cholesterol is regulated by a homeostatic mechanism. Testosterone is synthesized from the cholesterol so cholesterol acts as starting material. Testosterone plays an important role in the development of the reproductive tissues of the male.

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