Marissa did an experiment with balls bearings in a bottle to show the movement of particles in solids, liquids, gases the experiment set up is shown below What should Marissa do to represent the movement of the particles?

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement