How is energy transferred between trophic levels in a food chain?

Why do astronauts float aboard the international space station?

Which of the following would affect the climate of an area? Distance from a large body of water An extremely cold week A heavy snow A hot day in January

Can molecules with double or triple bonds twist

Explain why is it easy to slip on a floor that is wet

Ball 1, with a mass of 150 g and traveling at 15 m/s, collides head on with ball 2, which has a mass of 350 g and is initially at rest.

Can an animal survive being hit by a car going 60 mph

A balsa wood raft is 1.50 m long, 1.00 m wide, and 0.120 m high. the density of balsa is 380 kg/m^3. what is the mass of the raft? (unit=kg)

What is the difference between longitudinal and transverse waves?

Which is an example of transforming potential energy to kinetic energy? Select two options. a changing thermal energy to electrical energy b changing chemical energy to thermal energy c changing nuclear energy to radiant energy d changing radiant

If the action force is throwing a ball, what is the reaction force?