Which of the following is an example of an environmental impact of agriculture?
A) high use of gold, copper, and silver
B) high use of water
C) high use of rock supplies
D) high use of mineral resources

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.