We need a photo so I can give u an answer
Answer:
B. Nebula
Explanation:
A solar system, an asteroid, and a galaxy is not made of dust and gas. But a nebula is made of dust and gas
<span>Scientist rejected Wegener's hypothesis of continental drift at first because he did not have enough evidence to support his theory. He failed to provide a suitable mechanism that could cause the continents to move. </span>
I think it changes the physical appearance of that certain trait. For example, eye color. If the proteins are set up a certain way for brown eyes, then changed, there would be blue eyes.
