Select the best answer for the question.
13. which statement accurately describes the relationship between mass and weight?
a. an object with twice the mass of another object will weigh twice as much
b. an object with twice the mass of another object will weigh four times as much.
c. an object with twice the mass of another object will weigh half as much.
od. an object with twice the mass of another object will weigh one-fourth as much.
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In an oxidation-reduction reaction, oxidation is what happens when a reactant

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.

How many grams of mgbr2 are needed to produce 75g or metal?