How are carbohydrates and lipids alike? a. they are organic compounds found in all living things. b. they are compounds found in nonliving things. c. living and nonliving things contain these substances. d. none of the above.

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Solutions to environmental problems in europe must