2. Human activity can be very disruptive to an ecosystem. Part of the forest shown in the picture
was clear-cut for timber harvesting. Will this
forested area change via primary or secondary
succession? Explain.

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

An easy way to calculate the amount of energy available at each level is to what?

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave