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Rufina [12.5K]
3 years ago
15

What do most sedimentary rocks form from?​

Biology
1 answer:
trapecia [35]3 years ago
3 0

Answer: Most sedimentary rocks come from the ground, grand canyons, and even valconoes.

Explanation: Sedimentary rocks are rock that have been squished together by other rocks. One sedimentary rock can be made up of 10 or more rocks!

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What are two types of evidence that evolution has taken place?
lukranit [14]
An example i can think of is...

the amount of salt present in human cells cytoplasm suggests we evolved from species in the sea
5 0
2 years ago
How do matter,energy, and processes create a system?
Vikentia [17]

Answer:

its like a cycle, theey go around n around to produce sometime of object or gas

Explanation:

4 0
3 years ago
Species that colonize the newly exposed land first are called
denpristay [2]

the answer is pioneer species

5 0
3 years ago
What is responsible for the red tide phenomenon? It is a phenomenon that usually coincides with storm surges; the name comes fro
tatuchka [14]

Answer:

Red tide occurs in patches of water where certain species of dinoflagellates flourish.

Explanation:  

Red tides refer to the noticeable microalgae proliferation that can be recognized for being a big spot in the sea of a characteristic coloration. This phenomenon is caused by two microalgae groups: diatoms and dinoflagellates, both part of phytoplankton.

Red tides occur when certain environmental factors -such as temperature, light, nutrients availability, ph, etcetera- favor the overproduction of these organisms. These species produce toxins that turn to be dangerous for other animal species that feed on them.

Because these microorganisms produce pigments, their accumulation on the sea surface can be noticed as reddish, brown, or greenish color spots of variable extension.

4 0
2 years ago
A geneticist is studying two traits in the fruit fly - eye color and wing shape. They perform a dihybrid cross. If the genes for
Len [333]

Answer:

3/16

Explanation:

<u>According to Mendel's law of independent assortment of genes, when a dihybrid cross involves two genes that assort independently and one of the parents is dominant for the two genes and the other is recessive, the phenotypic ratio of the offspring at F2 would be 9:3:3:1</u>. The proportion of the offspring with the dominant parental traits would be 9/16, those with the recessive parental traits would be 1/16, while those with mixed traits would be 3/16 each.

Assuming the eye color is represented by E and the wing shape is represented by W. At F2

     EeWw    x    EeWw

E_W_ - 9/16 (dominant for both eye color and wing shape)

E_ww - 3/16 (dominant for eye color and recessive for wing shape)

eeW_ - 3/16 (recessive for eye color and dominant for wing shape)

eeww - 1/16 (recessive for both eye color and wing shape)

<em>Hence, the proportion of the offspring with dominant phenotype for eye color and recessive phenotype for wing shape would be </em><em>3/16.</em>

3 0
3 years ago
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