Which letter in the rock cycle diagram represents sedimentary rock? a) a. b) b. c) d. d) e.

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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.

Is a pencil falling to the floor anon contact force, a force, or a contact force