Explanation:
yes respiration return oxygen to the atmosphere
we have to explain it so police inform us
Answer: molecular size or weight of the agent.
Explanation: The smaller the size, the faster it can diffuse out and the greater the rate of diffusion.
Answer: Water, vacuum and air molecule i guess
Explanation: XXXXXXXXXXX
A sperm makes its way down the Fallopian tube and burrows itself into the egg
Answer:
before puberty begins
Explanation:
because on your menstrual cycle the blood clots are actually pieces of uterus and that's actually your uterine shedding and it usually starts doing that even before your period begins so it definitely be before puberty begins hope I didn't make the answer to awkward but that's the truth LOL
