A. the distribution of sand on an ocean floor
Answer:
B
Explanation:
Proteins are made up of smaller building blocks called amino acid.
<span>Invertebrates means having no backbone.</span>
Answer:
Flat
Explanation:
The atlas is one of the two upper cervical vertebrae, also known as C1, which is the topmost vertebra of the spinal column. ... It is the vertebra that is in contact with the occipital bone, a flat bone located at the back portion of the head.
The answer is the nasal cavity. It is a large air filled space above and behind the nose in the middle of the face, it is lined with hairs and mucus membrane. The function of the nasal cavity is to warm, moisturize, and filter air entering the body before it reaches the lungs.
