Which sentence best explains how enzymes spped up a chemical reaction a)enzymes remove heat from a chemical reaction b)enzymes lower the activation energy of a chemical c)enzymes add heat to a chemical reaction d) enzymes are niot changed as a result of a chemical reaction

What drives an advertising campaign?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal