Which of the following types of radiation can be shielded by a piece of paper or fabric? (3 points)
Group of answer choices

Alpha rays

Beta rays

Gamma rays

Proton rays

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.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Can someone me with 3 and 4 plz. this is for masteries test.