All of e the following statements are true except for one of them. choose the false statement. question 1 options: an average of 10% of energy is transferred up to the next trophic level. producers are always found in the top trophic level. heat will only move from hot to cold. in a lightbulb, electrical energy is transformed into light and heat.

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.