Describe the potential energy of the reactants and the products of an endothermic reaction. Include how the temperature changes as the reaction progresses.

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species