The energy source in photosynthesis is a. light energy. c. heat energy. b. chemical energy. d. kinetic energy.

Which of the following is an example of a parasite?

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles