Aluminum is very rare in its free form. Aluminum contribute greatly to the properties of soil, where it is present mainly as insoluble aluminum hydroxide. Aluminum is a reactive metal and it is hard to extract it from its ore, aluminum oxide (Al2O3).
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Answer:
C. Ice cracking
Explanation:
The composition of the ice is still the same therefore, it is an example of a physical change.
A molecule of an organic compound contains at least one atom of "<span>(1) carbon". This is referred to as organic chemistry, since all living matter is carbon-based. </span>
Answer:
liquid oxygen is highly flammable
Explanation:
near any source of heat. liquid oxygen can explode to flames thus being hazardous
when two heavy hydrogens combine to for helium , it results in the formation of energy, and a neutron, along with the helium atom
