Answer:
The answer is B.
Explanation:
Genetic engineering involve the change of genetic material of an organism by removing, changing or inserting individual genes.
Answer: salivary glands
Explanation: i just remember from 4th grade health class
Answer: Chemoautotrophs like algae and plankten are able to use chemosynthesis for thier food.
So <u>maybe</u> it's autotrophs since they don't eat plant's or meat.
The
Blood<span> moves in the heart through two large veins, the
inferior and superior vena cava, and exhausting oxygen-poor blood from the body into the right atrium. The pulmonary vein discharges oxygen-rich blood, from the lungs into the left atrium.</span>