Answer:
if sex cells were identical, there won't be genetics variations and we will just all be identical to our parents. genetic variation allows us to better adapt and survive
I honestly think it is D. Impulses.
I believe it was The Continental Drift Theory , i could be wrong
The environmental parameters that should be monitored to ensure that the plant is not adversely affecting the animal species near the plant are MIGRATING BIRD POPULATION AND THE CARRY CAPACITIES OF THE LOCAL ANIMAL SPECIES. Monitoring these parameters, we allows the city to know if the plant set up is affecting the population of the animals in the area.
