Answer:
The heart valves
Explanation:
The heart valves prevent blood from flowing in the wrong direction in the heart. The valves are held in the proper place because of the chordae tendinae.
Enzymes are the catalyst in the metabolic pathway.
Answer:
True
They all are pruning methods because they are all for pruning grape vines
Answer:
The initial cost of solar panels is very high compared to using fossil fuels.
Explanation:
