Answer:
Definitely A!!!
Explanation:
<u>Here are the reasons as to why B, C, and D are incorrect:</u>
-Playing on the computer requires you to sit down -- which is not being active.
-Taking a nap is considered resting -- the complete opposite of being active!
-Reading a book is not being active as you would normally be sitting down somewhere to read
If the blood is carrying oxygen, the cell and the blood will have a sort of trade. The cells will give the blood the waste which will leave the body and the blood will give the cell oxygen which it needs to stay alive and continue to work.
Answer:
At least 30 minutes every day
Explanation:
This can be all at once or split over multiple sections in one day.
Answer: Stress can cause damage to the stomach by increasing the acid in the stomach, which results in indigestion.
Explanation: Hope this helps if not lemme know
Answer:.4.Microorganism X might not be linked to floppy ear disease, because the inoculated mouse remained healthy.5.Microorganism X modified its cell wall structure while being cultured, and is no longer infectious to rabbits.6.A laboratory mouse might not be an appropriate, susceptible host; an experiment with a laboratory rabbit may be needed.
