3 years ago

Which of these is an example of interactions between the atmosphere and hydrosphere?

Biology

2 answers:

timama [110]3 years ago

8 0

The answer is A, the hydro sphere is water and the atmosphere is air. Cold air makes water turn into snow.

stiks02 [169]3 years ago

6 0

I think it is c if im not wrong

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The study of which structure was instrumental in the formulation of the modern cell theory?

Sphinxa [80]

C. cell wall. This discovery was made by Robert Hooke upon studying the honeycomb like structure of cork and compared it to the dead appearance of the cell wall.

7 0

3 years ago

If two intermediate-colored chickens together produced 100 chicks, how many would you expect to be black?

sergiy2304 [10]

Answer: 25 of the chicks will be black

Explanation: Since the chickens are intermediate in colour, that is they are not black, they are heterozygous. Let B represent the allele for black colour and B represent the allele for blue colour, therefore the genotype of a chicken with an intermediate colour is Bb. A cross between two Bb chicken will produce 1 BB, 2 Bb and 1 bb chicks. 1 BB will manifest outwardly as black, 2Bb will manifest outwardly as intermediate colored while 1 bb will manifest outwardly as blue colored chicks.

Since one out of four chicks are black colored, if the two chicken produced 100 chicks, the number of chicks that will be black is 1/4 x 100 = 25. Therefore, 25 chicks out of 100 will be black.

See the attached punnet square for more information