Peptides<span>. A </span>peptides<span> is a molecule composed of two or more amino acids. The bond that holds together the two amino acids is a </span>peptide bond<span>, or a covalent chemical bond between two compounds (in this case, two amino acids).</span>
The movement is a called a reflex, which is a sudden muscle movement in response to a stimuli. The reflex you are describing is a reflex known as a plantar reflex, which is present in infants and children but goes away before adulthood (ideally).
Answer:
The Highlands are older as evidenced by their crater density.
Explanation:
Answer:
A
Explanation:
Carbon moves from fossil fuels to the atmosphere when fuels are burned. When humans burn fossil fuels to power factories, power plants, cars and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas. Each year, five and a half billion tons of carbon is released by burning fossil fuels.
