2 years ago

Which of the following would be the best energy source for developing countries because it is cheap and easy to obtain?

Biology

1 answer:

fredd [130]2 years ago

8 0

Answer:

Coal

Explanation:

Coal is the most common form of energy, and it only needs to be mined and processed to be useable.

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The sound which does not have a pleasant sensation on the ear is (1 Point)

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Explanation:

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Plasma membrane, Ribosomes, cytoplasm, and DNA.

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3 years ago

In pea plants, flowers are either white or purple; the purple color is produced by pigments called anthocyanins. The production

Hoochie [10]

Answer:

7/16

Explanation:

The proportion of the offspring from the cross that will have white flowers is 7/16.

The presence of anthocyanin which determines purple coloration is conditioned by the C_ and P_ alleles. It means that the absence of one or both of C and P will result in white flowers.

Two plants, each with CcPp are crossed:

CcPp x CcPp

Offpring

1 CCPP - purple

2 CCPp - purple

2 CcPP - purple

4 CcPp - purple

2 Ccpp - white

1 CCpp - white

1 ccPP - white

2 ccPp - white

1 ccpp - white

Proportion of offspring with white flowers = 7/16

Proportion of offspring with purple flower = 9/16

See the attached image for the Punnet's square analysis of the cross.

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3 years ago