TRUE OR FALSE ( will give brainliest ) - elements are composed of two or more kinds of material.
- compounds are composed of one kind of material
- different properties are shown after an element is broken down
- mixtures are made by a physical change
- compounds have a definite composition
- mixtures have variable composition

Non renewable resources like petroleum eventually

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.

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols