This is urgent which geologic feature is composed of the youngest crustal bedrock? 1) peru-chile trench 2) mid-atlantic ridge 3) adirondack mountains 4) san-andreas fault

While most people who lived in ancient egypt and the middle east avoided settling in nearby deserts, those regions protected them from their enemies. why do you think this was true?

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.

Which did many cities ermerge along fall line in southern us