please ans 2 and 3 its urgent
Answers
Answer:
Brainlist plz...
Explanation:
2. Unlike the mineral-rich crust and mantle, the core is made almost entirely of metal—specifically, iron and nickel.
3. unit of measurement equal to air pressure at sea level, about 14.7 pounds per square inch. Also called standard atmospheric pressure.
Answer:
1. Residual soil is the material resulting from the in situ weathering of the parent rock. Residual soils are distributed throughout many regions of the world, such as Africa, South Asia, Australia, Southeastern North America, Central and South America, and considerable regions of Europe.
2.The outer core is about 1,400 miles thick, and it's made mostly of a combination (called an alloy) of iron and nickel, along with small amounts of other dense elements like gold, platinum, and uranium. These metals can, of course, be found on the surface of Earth in solid form.
3.about 14.7 pounds per square inch
(atm) unit of measurement equal to air pressure at sea level, about 14.7 pounds per square inch. Also called standard atmospheric pressure.
Explanation:
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