Which of the following are examples of matter? Check all that apply. A. air
B. light
C. water
D. sound
E. bacteria
F. copper

What layer of the atmosphere is directly above the troposphere?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory