Why does lighting always strike DOWN instead of UP?
The electrons in the cloud are attracted to the
electrons in the earth.
The lightning is magnetically attracted to the
ground.
The electrons in the cloud are electrically attracted
to the protons in the ground.

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

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.