Temperature and silica content determine the of magma. a. color b. elasticity c. viscosity d. texture

Hello.

The answer is 

 C. viscosity.

Temperature and silica content determine the viscosity of magma. 

The viscosity of amagma is largely controlled by the temperature.

Have a nice day.

Organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

Ithink 2 is the correct