1. The availability and use of natural resources has affected the development of human society. Select all the true statements.*

A. Native elements such as gold and copper were used before alloys such as bronze.
B. Humans could not use rock and mineral resources until fire was discovered.
C. The first known use of rock and mineral resources was in sculpture and other
artwork.
D. Native Americans were not concerned with the physical properties of rock and
minerals.
E. The need for rock, mineral, and energy resources has driven human exploration and
settlement
F. The types of resources that early humans used depended on what was available
nearby or through trade.

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

the animal that would be cutest if scaled down to the size of a cat? elephant

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.