What can humans do to increase the capacity of carbon sinks and decrease the amount of carbon being added to the atmosphere as part of the carbon cycle? i need !

Consider this plant cell which organelle is labeled g

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?