8 - 2(2*2)= 1 PEMDAS
First you have to do 2*2=4
Then,
4*2=8
Then,
8 divided by 8 is 1
Answer:
a. It can be used for photosynthesis.
Explanation:
Since carbon dioxide is needed in the photosynthesis process, then much of the carbon dioxide which is produced by green plants is not always excreted in form of metabolic waste because it can be easily used in the photosynthesis process.
Answer:
A heat pad
Explanation:
if you have no head injury and your body hurts use a heating pad
Answer:
True
Explanation:
Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.) Valves also help blood travel back to the heart against the force of gravity.
The answer is true because it is controlled
