Answer:
<u><em>B) Adding more plants</em></u>
Explanation:
Live plants produce oxygen and absorb carbon dioxide and ammonia in the water that fish generate
Given that,
The speed of a wave, v = 200 m/s
Wavelength,
We need to find the frequency of this wave. The relation between wavelength, frequency and the speed is given by :
So, the frequency of this wave is 100 Hz.
Answer:
Explanation:
The only way a recessive trait will show is if the offspring receives 2 recessive (lower case) alleles.
If there are any upper case letters present only the dominant trait will show.
The correct answer would be the box(es) that contain 2 lower case letters.
Explanation:
B is the right answer because none to the others sound like a real solution