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Sloan [31]
3 years ago
7

What are the four major components of the earth's crust?

Biology
2 answers:
lawyer [7]3 years ago
6 0
<span>sedimentary rock, hydrosphere, asthenosphere , basalt ocean floor, granite foundation</span>
Cerrena [4.2K]3 years ago
4 0
<span>The four major componets are hydrospheresedimentary rockbasalt ocean floorgranite foundation</span>
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A plant native to the chaparral would be expected to _______?
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The answer to the question presented above would be 'require frequent rainfall'. A plant native to the chaparral would be expected to require frequent rainfall. This is because it cannot survive in dry lands and without constant water.
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Use the drop-down menus to put the events of the light-dependent reaction of photosynthesis in the correct order.
mash [69]

Events of the light-dependent reaction of photosynthesis starts with the absorption of sunlight and ends with ATP production.

<h3>Events of  light-dependent reaction</h3>
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8 0
2 years ago
What holds the two strands of DNA molecules to each other
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Black fur (B) is dominant to white fur (b) in guinea pigs. An F1 cross was conducted and resulted in 100% heterozygous guinea pi
Lemur [1.5K]

Answer:

D. 1 BB : 2 Bb : 1 bb

Explanation:

This question involves a single gene coding for fur color in guinea pig. Black fur (B) is dominant over white fur (b). This means that, as stated in the question, if a black fur parent (BB) is crossed with a white fur parent (bb), a 100% heterozygous offspring (Bb) with black fur will result.

If two heterozygous guinea pigs are crossed i.e. Bb × Bb, the following gametes will be produced by each heterozygous parent:

Bb = B and b

Using these gametes in a punnet square (see attached image), offsprings with the following genotypic ratio will be produced:

1 BB : 2 Bb : 1 bb

BB and Bb = black fur guinea pigs

bb = white fur guinea pigs

3 0
2 years ago
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