PLEASE HELP I WILL MARK BRAINLIEST! AND 20 POINTS Project: Mining

Environmental science

What is the purpose of the SMCRA and what requirements does it dictate?

How does a command economy differ from a mixed market economy? in a command economy, citizens have fewer property rights. in a mixed market economy, citizens have more property in a command economy, citizens have more property rights. in a mixed market economy, citizens have fewer property rights in a command economy citizens own all public property. in a mixed market economy, the government owns all private, property in a command economy, citizens own all private property in a mixed market economy, the goverment owns all public property

What is an additional type of erosion found at the coast? what does it mean?

What is the amount of organic matter in all living organisms in a habitat called?