a student wants to test the effect of different amounts of caffeine of different amounts of caffeine on the heart rate of daphnia, a small crustacean. What is the dependent variable?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.