Please help with this question

Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?

Ascientist publishes a paper that states the changes in the levels of gases in the atmosphere of a moon of saturn indicate that there may be terrestrial life on the moon. which statement correctly answers whether the question of alien life on this moon is scientific?