The role of a catalyst in a chemical reaction is to a: be non-specific enough to work in any reaction. b: lower the activation energy and speed up the reaction. c: increase the amount of energy required for the reaction to occur d: enter into the reactants to change the product.

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.