What is karyotyping?
a. a method of illustrating what chromosomes are present.
b. a method of separating dna fragments so they can be seen.
c. a method of making one dna sample into many copies.
d. a method of cutting strands of dna at specific sites.

C. A method of making one DNA sample into many copies.

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.

i would think a oil tanker that has leaked in a bay