The Museum of West Namibia wants to know if the Mesosaurus fossils were separated in one or a series of quick, huge movements, or if the separation was the result of slow and steady movement. Given what you learned today, which of the claims below seems best supported? Why? What questions do you still have? Write your response to these questions below, using words from the Word Bank.

Claim 1: The South American Plate and African Plate moved apart suddenly.
Claim 2: The South American Plate and African Plate moved apart gradually.

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

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.

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.