Answer:
A. Carbon dioxide travels from the heart to the lungs in pulmonary arteries
Explanation:
Answer:
The answer is A
Explanation:
It is logical because the balloon lets the student see how much gas is released in the reaction. the balloon inflates with invisible air the student will normally not see.
Question 2
D) Carbohydrates
Steriodal//topical???
Sorry if i didn’t help :(