Which of the following groups of carbon compounds includes enzymes? lipids proteins carbohydrates nucleic acids

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?