Answer:
A.
Explanation:
The number of the them will result in A.
1. Rapid combustion - <span>used in engines and rockets souring. Large amount of energy produced.
</span>2. R<span>espiration - </span><span>a type of slow combustion. Organic matter is transfered into energy and carbon dioxide.
3. Soaring - a chemical change. A</span>cidification of milk into soured milk.<span>
4. Oxidation - electron loss when combining with another element. Metals gave electrons to nonmetals and became cations.
5. C</span>alcium - element in bone which absorbs X-rays. Calcium increases the photoelectric effect<span> which increase absorption of X-rays.
6. P</span>hotosynthesis reaction in which the product is glucose. Plants produce glucose from carbon dioxide and water.
Answer:
Answer choice A
Explanation:
When an electron is transferred to another atom, both atoms involved become ions.
Answer:
friction
Explanation:
the resistance that one surface or object encounters when moving over another.
Grease and non-polar too, so the <span>tetrachloroethylene would be a solvent.</span>
