In animal cells, cellular energy is produced in what organelle? a) nucleus b) ribosomes c) mitochondria d) endoplasmic reticulum (this is science)

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Climate like that in the sahara desert have the fastest rates of weathering