30. What was the range in average plant growth? 31. What is the average value of the average plant growth?

Stage in which a star’s outer layers have started to cool and grow outward?

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied