According to this passage, the seven different types of electromagnetic radiation A) are useless and harmless.
B ) have the same frequencies.
C) have different wavelengths.
D) are organized on separate spectrums.

c

Explanation:

cuz I think it is

i disagree that there is little difference between adult female development and adult male development. sociological studies comparing female and male pathways to adulthood, revelead that there are sustancial differences between them. particularly, female and male differ from timing of marriage, when they began to live with children and the likelihood of combining wife/husband and parent roles.

the telephone is the answer