10. If a crest is analogous to a compression then: A. a crest is also analogous to a trough

B. acrest is also analogous to a rarefaction

C. a trough is analogous to a rarefaction

D. a trough is also analogous to a compression

i have a feeling this is a gay person trolling to make straights look bad.

they are all solids.

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )