The core of Earth is probably composed of
A) silicate minerals.
B) aluminum oxides.
C) iron and nickel.
D) calcium magnesium sulfate.
C
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One can use both vector data and raster data in a GIS project.
Answer the following statement true (T) or false (F)
Dissolved oxygen concentration is highest near the surface because
1.that’s where it comes in contact with air.
2.this is where whales release oxygen when they “blow.”
3.warmer water there holds more dissolved oxygen.
4.phytoplankton photosynthesize there.
Should city and government officials allow residents to rebuild and live in cities along the coasts in the Southeast U.S. located below sea level that are subject to hurricane damage and catastrophic storm surge?
1.Yes 2.No
Natural selection refers to the ability of organisms to choose the habitat in which they feel most comfortable
Indicate whether the statement is true or false