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yawa3891 [41]
3 years ago
11

(7th Grade Science)

Biology
2 answers:
Gemiola [76]3 years ago
8 0
A: Chemical energy is converted into mechanical energy occurs in a gasoline-powered car.
labwork [276]3 years ago
4 0
That would be a, chemical to mechanical
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Match each term to its description.
klemol [59]

Answer:

Carrying capacity- maximum population size of a species that can be sustained in a specific environment

Emigration- departure from one's own natural home or region

Limiting factor-anything that can slow or stop the growth of a population

Population dynamics- how populations of species change over time

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2 years ago
What are the advantages to using artificial blood?
viktelen [127]

The advantages of artificial blood are as follows -  

a) It is easy to produce large amount of artificial blood and thus it helps in reducing the blood shortages.

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3 years ago
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You have a cup of vegetable oil and a vial full of normal phospholipids. What would you predict would happen if you dropped the
Vilka [71]

Answer:

The phospholipid will form a sphere with the heads inside

Explanation:

Phospholipids are glycerol molecules containing two Fatty acids that is hydrophobia and a hydrophillic negatively charged phosphate.

The phosphate forms the head and the two fatty acids will form the tail

When phospholipid is dropped into a cup of vegetable oil (a lipid). The phospholipid will form a sphere with the heads inside. This is because the heads are hydrophillic and cannot dissolve in the fat hence they will cluster together.

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3 years ago
A ____ occurs when the moon passes between Earth and the sun
Andreyy89
This phenomenon is called Eclipse.
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2 years ago
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How do nucleotides and hydrogen bonds affect the structure of DNA?
melisa1 [442]
This is the structure of DNA and nucleotide is the phosphate group with sugar (the pink one ) and base that are 4 different bases : A, T, C, G and between these bases we have hydrogen bonds  and you can see that always it like : C≡G
A=T :))) i hope that helps :)))https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwiawYOO7-...
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