A stands out most to me, CO comes from the air and air is basically oxygen we breath. When we exhale CO comes out (of course). I would say A is correct.
The fifth week of pregnancy.
Answer:
An effective strategy for stepping in if someone appears to need help is <u>directly check in with the person</u><u>.</u>
Explanation:
Many a time, our closed ones will be fighting battles we are unaware of. We are so busy in our lives that we either do not notice the problems of our loved ones or we just think that if they need help from us, they will ask it themselves. But we shall realize the fact that many people will not ask for help themselves due to certain reasons.
So, it is best to always check upon the persons you love if you think that they might need any help.
Answer:
any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures
Answer:
both
Explanation:
depends on the person's personality I guess or how they act n all
