Enzymes are catalysts because they lower the___ of a chemical reaction

What does the number 18.9984 represent in the image?

Which statements about a food chain are true? choose all answers that are correct. a. plants are the first living organisms in food chains on land. b. the plants in a food chain are called herbivores. c. all food chains on land begin with energy from the sun. d. carnivores in a food chain eat only plants.

Which is an accurate comparison of the bases found in bears and the bases found in raccoons