Answer:
The answer is C.
Explanation:
At first, an enzymes called Helicase unwind the double helix in a DNA .
Answer:
it occurs in the ovary that is part labelled 4
Explanation:
uhhhhh I think that its A
Answer:
The reason why stars are so important is because they have helped humans navigate through Earth . When it was dark these stars would light up the sky giving people light . ... the most important is the Sun, because without that it wouldn't be life on Earth . Earth would just be a rock with ice.
Explanation:
D a change in color of a subtance
