The amplitude is from the absolute value of the 0 point on the y-axis to the highest(peak) or lowest(troph) point of the wave. In this question, 3cm is the highest and -3cm is the lowest, so the amplitude is 3cm.
Answer:
oxygen
Explanation:
as it is in the air it can't be depleted or used up
The statement is an opinion because it expresses a preference of an individual than an actual fact.
Answer:
C. 2 and 4
Explanation:
my teacher went over it and the answer was that