Please help!! Look at this diagram of light traveling from a pair of
keys underwater to a boy's eyes. Notice how the light
refracts as it is transmitted from the water into the air.
How does the actual position of the keys compare to the
position that they boy perceives the keys to be in? Do the
keys seem to be shallower, at the same depth, or deeper in
the water than they actually are? Explain your reasoning.

What are some characteristics of a free enterprise economy?

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting