How is the density of an object calculated?
a. dividing the object’s mass by its volume
b. dividing the object’s volume by its mass
c. multiplying the object’s mass and volume
d. multiplying the object’s volume and weight

In which type of economy do the forces of supply and demand typically drive prices? a. a market economy b. a traditional economy a planned economy d. a command economy select the best answer from the choices provided. 0 0 em oo 0 0

Plants in the tundra biomes have had to adapt to live long periods of time without a. cool temperatures b. sunlight c. oxygen d. water

What are some of the impacts of humans on the earth?