Geography, simple question, I'm just dumb lol

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons

In a command economy, the majority of goods and services are provided by the