For this assignment, you will make a scale model—a "core sample"—showing the layers of the earth: crust, lithosphere, asthenosphere, mantle, outer core, and inner core.

The distance d that a car can travel in a certain amount of time t can be found by multiplying the rate of speed r by the travel time. if a car has already travel 4 miles, the formula for the total distance travel is d= rt + 4. which of the following gives the value of r, in terms of d and t?

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers

How do we determine if they are made with matter