Answer:
The blood picks up co2 and also waste from the tissue. So I am guessing that it is co2.
Hope this helps.
Answer:
they are considered empty calories
<span>Once you make a career choice, it should never be changed.
-false.
</span>
Answer:
If you do not want to be placed in a mental institution, you should not tell them you are feeling suicidal or homicidal (but plz do if you feel that way I wouldn't want you to make a mistake you would regret)
Explanation:
Ask questions to to the doctor and get more informed
