The stem of a plant must be strong to keep the plant from falling down. The roots of a plant grow underground and the roots take in water for the plant. What structure of an animal functions like the plant stem? Awnswers: A. the nose B. the heart c. the skin d. skeleton

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?