What is one example of biomass

Predict which will fall to the ground faster a crumpled paper or flat sheet of paper

99 percent of the earth's atmosphere by mass is made up of only elements. These elements are A) Carbon and oxygen B) Nitrogen and oxygen C) Hydrogen and oxygen D) Helium and hydrogen

Name one example of each type of wave

Where does the energy lost from trophic level to trophic level go?

Which statement explains why sugar dissolves easily in water, but sand does not?

Simone is walking her dog on a leash. The dog is pulling with force of 34 N to the right and simone is pulling backward with a force of 16 N

An object moves with velocity v (t) = t^2-8t+7 a) write a polynomial expression for the position of the particle at any time t greater or equal to zero.

Is a lack of thorns a mutation? (on a plant)

Why is the motion of an athlete moving along the circular path with Constant speed considered to be an accelerated motion?

What is a characteristic of atoms