The appropriate answer is a. the temperature is high enough but pressure low enough to melt iron. The earth's core is composed of two layers; the inner and outer core. Both layers are composed mainly of iron and nickel. The main difference between the two layers is that the inner core is solid and the outer core is liquid. The inner core is solid because of the pressure created by the overlaying layers; the outer core, mantle and the crust. The inner core is however hotter than the outer core.
Answer:
The Great Lakes region of Canada is dominated by the manufacturing industry. The Canadian Great Lakes coastline is located entirely in Ontario. The main source of income for Ontario is the industry.
Explanation:
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-BB
Answer:
Petroleum Jelly
Explanation:
Petroleum jelly is made from the non-renewable resource, Coal. Apples are made from trees, which can be replaced, maple syrup is made from trees, and cotton is made from a plant. Coal, cannot reproduce.
Answer:
when the unemployment rate is lower than the normal rate
Explanation:
Answer:
Economic growth is directly related to environmental protection. Power plants and motor vehicles come with air pollution control technologies that someone makes and sells.
