Answer:
Gas
Explanation:
Gas has no definite shape and all.
Answer:
the correct answer is DNA
The answer is (b.) ATP and calcium
ATP (Adenosine triphosphate) and Calcium participates in the muscle movement. In a muscle contraction, Calcium ions are released to initiate upon the depolarization of the membrane which is induced by nerve impulses. While the ATP is required to the shortening of actin and myosin filament crossbridges.
I would wait for a second opinion, because the question is phrased in such a way that is confusing.
None of the statements contain scientific evidence except for the last one, but the last statement is false.
If you were being scientifically accurate, you would answer the first statement as true and the rest false.
The second statement actually has evidence to back it up, but the evidence provided is incorrect.