Which form of reproduction results in the highest degree of genetic variation among offspring?

outcrossing
asexual reproduction
bacterial fission
selfing (self-fertilization)

outcrossing

Explanation:

Outcrossing is the crossing between different breeds in reproduction. This is the practice of introducing unrelated genetic material into a breeding line. It increases genetic diversity which reduces the probability of an individual being subject to disease or genetic abnormalities.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint