Which option describes defining characteristics of animal evolution? Choose all that apply:

Animals have low energy requirements.

Animals get energy by eating other organisms.

Animals lay eggs.

Animals can move.

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:

You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.