Which of the following locations has the highest population density? a. yucatán peninsula b. mexico city c. mexico d. belize

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

Which of the following statements is most likely a characteristic of an authoritarian government in africa