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kirill [66]
2 years ago
8

What is the source of energy that powers a hydroelectric power plant?

Biology
1 answer:
Verdich [7]2 years ago
4 0

Answer:  Given your four choices, the best/most correct one would be (c) the sunlight that evaporated water that eventually falls as rain and fills the reservoir. It is the potential energy stored in the reservoir water which is "released" as it is converted to kinetic energy (the movement of water which spins the hydroelectric generator turbine, etc.), but the absolute source of that original potential energy comes from the Sun's action to evaporate lake or ocean water which is returned to Earth as rain ... and it is this rainwater which ultimately fills the reservoir behind the hydroelectric power plant.

Explanation:

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What phenotypic ratio would you expect as a result of a test cross between a dihybrid organism and one that is homozygous recess
Artyom0805 [142]

Answer:

¼ or 25% will be dihybrid organisms, ¼ will be heterozygous at first locus and recessive homozygous at other locus , ¼ of them will be recessive homozygous at first locus and heterozygous at other locus, and ¼ of them will be homozygous recessive for alleles at two independent loci.

Explanation:

A dihybrid organism is one that is heterozygous at two different genetic loci. So if we name one gene with D and other gene with R, dihybrid organism will have genotype DdRr.

If we cross that organism with the one that is homozygous recessive for alleles at two independent loci ddrr:

P: DdRr  x ddrr

3 0
3 years ago
I choose D
kvasek [131]
I personally think that it's C because all others r present......even D......because plants like climbers do curl around a tree trunk !!!
4 0
3 years ago
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Why do researchers prefer to use embryonic stem cells instead of adult stem cells ?
siniylev [52]

Answer:

Why not use adult stem cells instead of using human embryonic stem cells in research? Human embryonic stem cells are thought to have much greater developmental potential than adult stem cells. ... However, a newer type of reprogrammed adult cells, called induced pluripotent stem cells, has proven to be pluripotent.

Explanation:

5 0
2 years ago
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Which type of molecule makes up DNA?<br> Lipid<br> Nucleic acid<br> Protein<br> Water
kvasek [131]

What type of molecule makes up DNA?

B. Nucleic Acid

5 0
3 years ago
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1. What percent of people in the U.S. use groundwater?​
SpyIntel [72]

Answer:

53%

Explanation:

3 0
2 years ago
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