What is the responsibility of a scientist?
a. to run governments
b. to influence voters
c. to study the physical world
d. to earn money

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic