Help I think it’s C or B During Earth's early history, what was a major carbon sink?

A) Erupting volcanoes

B) Ocean water

C) Meteor Impacts

D) Land animals

What is the molar mass of potassium nitrate, kno3

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Light waves travel than sound waves.