Answer:
Correct answer is A.
Explanation:
Frequency is the number of oscillations that a wave have per unit time. Since time is measured in seconds, the wave with the highest frequency must register the highest number of oscillation per second. Hence, correct answer is A.
B) land cools off much faster than water (creating a air region of high density above land and lower density above sea)
Answer:
The answer would be It breaks them up.
Explanation:
Answer:
a: chemical change because the change cannot be reversed.
b: physical change because the action can be reversed.
c: chemical change.
d:chemical change.
any change that cannot be reversed is a chemical change and any change that can be reversed is a physical change.
A covalent bond? Not sure how much detail you want, sorry
