Anasa satellite showed that in 2009 the ozone hole over antarctica had a maximum surface area of 24.1 million square kilometers. the largest ozone hole on record occurred in 2006 and had a surface area of 29.6 million square kilometers. calculate the difference in diameter (in meters) between the ozone hole in 2009 and 2006.

What is the mass of each element in a 324.8 sample of co2

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.

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?