Answer:
D
Explanation:
They can rip but they do reduce the risk
Answer:
B
Explanation:
A peptide is a short chain of amino acids. ... Meanwhile, proteins are long molecules made up of multiple peptide subunits, and are also known as polypeptides. Proteins can be digested by enzymes (other proteins) into short peptide fragments. Among cells, peptides can perform biological functions.
<span>A is the correct answer. The developmental norms are stages at which humans typically develop the ability to successfully complete an activity without aid, for example, being able to walk. When people have reached the age of the norm and cannot complete the activity, there may be cause for concern.</span>
Answer: The nervous system
Explanation:
The first part of the embryo to develop is the neural tube, which will become the spinal cord and brain. As the nervous system starts to develop, the tiny heart starts to pump blood, and other parts of the body—such as the digestive tract and backbone—begin to emerge.
I believe the answer is C
