Which discovery provides the most evidence to support the idea that two
species may have had a common ancestor?

a they possess four limbs which they use for movement.

b. they reproduce sexually.

c. they have a high percentage of similar genes.

d. they live in the same habitat.

answer; i believe the correct answer to the above question is ( friction)

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.