Answer:
c. -1
Explanation:
When 1 frog is born, 2 frogs die, so it is +1 and -2.
Add them together to get the answer: 1 + -2 = -1
If a fruit fly has four chromosomes then they would only pass on half of their chromosomes to the offspring. The new fly would have gotten 2 chromosomes from the father and 2 from the mother making it 4 chromosomes in total.
Yea im going to go ahead and say its c to
The answer is passive transport. This type of transport requires no energy.
Hope that helped you.
Answer:
This serves to insulate the sea ice, maintaining cold temperatures and delaying ice melt in the summer. After the snow does begin to melt, and because shallow melt ponds have an albedo of approximately 0.4 to 0.5, the surface albedo drops to about 0.75. Albedo drops further as melt ponds grow and deepen.
Explanation: