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PtichkaEL [24]
4 years ago
12

How are plate tectonics formed? How do we know they exist (list 4-5 pieces of evidence)? And what are the different boundries?

Biology
1 answer:
olya-2409 [2.1K]4 years ago
6 0
Tectonic plates are the result of the mantle cooling on the surface. At plate boundaries or "zones" occure, there are different reactions along the edges of them. Divergent is when two plates move away from one another allowing fresh molten rock to flow to the surface. This results in a volcano. Covergent boundaries are when plates come together, resulting in mountain ranges. Transforming boundaries are when they slide up against each other causing earthquakes. More examples of proof of plate tectonics is the changing of Pangea into the world as we know it and subduction zones that reveal fossils that were deeply buried under layers of earth.
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REY [17]

The correct answer is option I) Steroid hormones are lipid soluble and easily cross the phospholipid bilayer.

The steroid hormones are made up of steroid molecules, the steroid molecules are hydrophobic and lipid soluble. This property makes help the steroid molecule to cross the phospholipid bilayer membrane easily. The steroid molecule has a direct influence on the genome transcription, they act by binding with the DNA as a transcriptional factor.

6 0
4 years ago
A woman is red-green color-blind. what can we conclude, if anything, about her father
vovangra [49]
You can conclude that the father was either heterozygous for that trait or fully homozygous.  
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3 years ago
Mr. Shepherd is at a football game on a cold day. How does his body maintain a relatively constant body temperature? What is thi
jok3333 [9.3K]

Answer:

1. Mr. Shepherd maintain a relative constant body temperature by preventing loss of heat.

2 This process is called HOMEOSTASIS

Explanation:

Homeostasis is the process whereby living organisms maintain a stable internal environment despite changes in conditions to the external environment. It is necessary that the body undergoes this process in order to guarantee survival.

According to this question, Mr. Shepherd is at a football game on a cold day. This means that in order to maintain a stable internal temperature, the body must preserve heat in the body and prevent its loss via sweating.

6 0
3 years ago
Explain the steps to complete a Punnett Square (monohybrid cross). *
KengaRu [80]

Answer:

Determine the parental genotypes. You can use any letter you like but select one that has a clearly different lower case, for example: Aa, Bb, Dd.

Split the alleles for each parent and add them into your Punnett square around the edges.

Work out the new possible genetic combinations inside the Punnett square.

Explanation:

5 0
4 years ago
Which food component gives you the most energy? carbohydrate fat or protein
weqwewe [10]

Answer:  fat

Explanation:

Carbohydrates, fats and proteins are among the major nutrients in the food component.

  • Where proteins helps in growth of the body where as carbohydrates and fat provide energy. Protein has 4 calories per gram.
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Hence, fat gives you the most energy .

4 0
3 years ago
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