Choose the true statement.
a. continental crust is less dense than oceanic crust.
b. continental crust is more dense than oceanic crust.
c. continental crust and oceanic crust have the same density.

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen