Answer:
A. their amounts vary throughout the atmosphere
Explanation:
Atmosphere consists of number of gases and composition of atmosphere varies depending on the amount of gases present in the atmosphere. The percentage of carbon dioxide in atmosphere is 0.04% while that of water vapors is 4% at normal room temperature.
Answer:
Ok but what exaclty is the question?
Explanation:
Answer:
chloroplast i think , i may b wrong
<span>During ejaculation, the sperm is sent out from the epididymis into the deferent duct which then travels up the spermatic chord into the pelvic cavity. The first organ that sperm pass through is the epididymis ejaculatory duct . During this time rhythmic movements propel the sperm forward.</span>
Answer:
The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs.
Explanation: