Which of the changes are chemical changes? Sugar is dissolved in water.

A warm soda bottle fizzes when opened.

The copper roof turns green over time.

Baking soda is dissolved in vinegar and bubbles form.

A fog appears on the windshield in cold weather.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

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.

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory