Which is the most important reason to continue efforts to preserve coral reefs

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

In one or two grammatically correct sentences, write a definition for the term molecule geometry