Answer:
, the Northern Hemisphere has summer. At the same time, the south end of Earth's axis is tilted away from the sun so other parts of the world is cold. as the earth revolves on its axis, we will soon experience winter as well. places like Antartica will always be cold , just because how its on the earth. its far far far aways from the sun. thats why it stays cold there.
Explanation:
Its A. it prevents sperm from reaching the egg and fertilizing it.
Answer:
Genetic drift decreases genetic diversity within a population.
Explanation:
Genetic drift decreases genetic diversity within a population. It is a change in allele frequencies due entirely to random chance and is more likely to affect smaller populations than large ones. Population bottlenecks can lead to genetic drift.
I believe B is the answer..
