Answer: C
Explanation: Amplitude controls loudness, and frequency controls pitch. The more frequent the higher pitch.
Answer:
d.Energy as heat transferred into an object is determined by the amount of work done on the object.
Explanation:
A.lucid because it makes more sense yo the answer how about you do it yourself
Answer:
it will double because im right
Answer:
During stage 3 - late expanding (of demogrpahic transition model)
Explanation:
During stage 3, birth rate begins to decline as infant mortality is lower and women have more access to education, family planning, and contraceptives. Children are not needed as "free labor" as they might have been in earlier stages.
