Carbon-14 has a half-life of 5,730 years. If a piece of timber from an ancient dwelling is thought to be 10,000 years old, about how much of the original carbon-14 should remain?

What is the formula that this ionic compounds could form sr2+p3-o2-

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.

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next