The answer is d clinical deficiency
Answer: A
Explanation:
Oxygen makes up another 20 to 21 percent of our atmosphere. It's essential for life on Earth, and interestingly enough, it is poisonous when highly concentrated. Our concentration of 20 to 21 percent seems just right.
Answer:
B. Light traveling from the sun to my car seat.
Since there are 23 pair of chromosomes, each pair having one set each from maternal and paternal, set it up as:
