Which causes seismic waves

a: convection in the mantle

b: movements of the plates

c: gravity in the mantle

d: movements of the core

Explain what happens at the saturation point when adding salt to water at room temperature.

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?