Explain how fitness can change the allele frequency of a population.

the answer is false?

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

i think its both a and b