Describe 2 conditions that are necessary for an eclipse to occur.

Which of these is not a precaution taken at a nuclear power plant? safety systems are built in to them process are carfley montried Enriched uranium is the fuel source all parts are kept in good repair

The what serves as a border between north united state and canada

What were the main uses for silver and gold? Bought off Spanish conquerors. For ruler burials. Mainly for aesthetics. Paid day laborers.

Which of these conclusions is most likely correct about the organisms whose fossils are shown in the diagram?

According to the theory of continental drift what did earths continents look like 255 million years ago? what is the name of the landmass

1 The human genome project identified the sequence of base pairs in human DNA and identified several g would least likely lead to a scientific investigation based on these findings? Are certain humans more likely to develop genetic diseases?

Mars has no weather. True False

Which of the following bodies of water is not located along Canada's coasts? a. Beaufort Sea b. the Gulf of Mexico c. the Arctic Ocean d. Hudson Bay

What causes the wind? A) The earth's orbit around the sun B) The earth's rotation on its axis. C) The layers of the earth's atmosphere. D) Uneven heating of the earth's surface by the sun.

What country does Aruba belong to?