The answer would be B. Only during periods of stress. When you are stressed out you are most likely having a hard time relaxing. If you take deep breaths your breathing should slow down and your body will relax. D. Only when you've gotten enough sleep, has nothing to do with breathing, you don't need to take deep breaths after sleeping. C. No more than twice a day and A. Everyday, are both unnecessary, you don't need to take deep breaths everyday for no reason. Stress is the main reason people hyperventilate. They get stressed and they have varied symptoms. They can't breathe, have short amount of patience, etc. <span />
Explanation:
Babies are made when special cells called sperm (produced by men) combine with cells called ova (produced by women) in a process called conception. Each of these cells is produced by a process called meiosis which makes cells containing half the information of the parent.
Answer:
Technology has gotten better over the years...
Explanation:
Technology has gotten better over the years eith experience and research, Modern medicine is what it is today thanks to technology, and the people who work day and night researching and etc. People also have more access in asking for help like a phone and have nearby clinic's and hospital's.
4.a
5.d
those are the only ones i'm 100% sure about.