Pollution caused the environment to become more darkly colored, so moths were selected to be blacks and greys. Before pollution they were white and lighter colors. <span />
Answer:
Summary. Stars exist in a range of colors: red, orange, yellow, green, white and blue with red being the coolest and blue being the hottest. A star's color indicates it's temperature, composition and relative distance from earth.Explanation:
You would want this observation to be in an area with a lot of biotic and abiotic factors, so the best place for it is an ecosystem.
They hold DNA( hope this helps)
20 percent.
Since one strand is 20, the opposite that would connect with it (Thymine) would have the same amount so the total would be 100.
Hope this helps!
