Which of the following is a way that humans speed up the process of erosion? Edge 2020 A) Urban development
B) Hiking
C) Deforestation
D) All of the above

Long term exposure to waves can cause sunburns and skin cancer.

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?