Match the following . used in engines and rockets souring 2. a type of slow combustion respiration 3. a chemical change rapid combustion 4. electron loss when combining with another element photosynthesis 5. element in bone which absorbs x-rays calcium 6. reaction in which the product is glucose oxidation

1. Rapid combustion - used in engines and rockets souring. Large amount of energy produced.
2. Respiration - a type of slow combustion. Organic matter is transfered into energy and carbon dioxide.
3. Soaring - a chemical change. Acidification of milk into soured milk.
4. Oxidation - electron loss when combining with another element. Metals gave electrons to nonmetals and became cations.
5. Calcium - element in bone which absorbs X-rays. Calcium increases the photoelectric effect which increase absorption of X-rays.
6. Photosynthesis reaction in which the product is glucose. Plants produce glucose from carbon dioxide and water.

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