Can some help, it would help if I had answers for 8.5 and more practice 8.5

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

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

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