if an average-sized man with a parachute jumps from an airplane, he will fall f(t)=12.5(0.2t−1)+20t feet in t seconds. how long will it take him to fall 150 feet?

What kind of interaction is depicted in the image? a. intraspecific, direct b. intraspecific, indirect c. interspecific, direct d. interspecific, indirect e. invasion

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

In at least 150 words, discuss the author’s choice of setting. how does it impact the themes and the progression of the plot? the story is "through the tunnel"