Proteins are composed of chains of which are joined together with peptide bonds.
a) fatty acids
b) amino acids
c) nucleic acids
d) monosaccharides

The answer is B amino acids because it is composed of amino acids.

Explanation:

bc blah

explanation:

bc blah

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.