What is alchemy? O A. An early form of chemistry that people used to try to turn metal

into gold

B. A belief that chemistry forms the basis of all areas of science

C. An ancient philosophy that taught that all matter was composed

of earth, fire, water, and air

D. A scientific approach to research that uses observations and

measurements to test ideas

Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.

Light waves travel than sound waves.

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it