No they cant be mechanical because then something would have to generate their rays through the inventing of a machine.
I took the test the answer (for sure) is c: programmed cell death. Good Luck!
Answer:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide.
Explanation:
Some living things are, protists, plants, animals, fungus, and bacteria
Non living things; Water, minerals, air, light, and soil.
Answer:
Forensic anthropologists.
Explanation:
Only one sickle attracted blowflies to the trace amount of blood hidden to the naked eye which resulted in the confession by the murderer.” Several decades later, forensic entomology made its way into the courthouse; today, police detectives, coroners, federal agencies, and medical examiners work closely with forensic
hope this helps
