The biosphere contains
a.) all of the earth's plants only
b.) all of the earth's animals only
c.) all of the earth's living organisms
d.) all of the earth's rocks

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque