Is grilling hamburgers a chemical change?

Answer:

chemical change

Explanation:

chemical change means change which cannot reversed so pencil will be not reversible hence it is chemical change .

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Answer:

Propaganda is information that is not impartial and used primarily to influence an audience and further an agenda, often by presenting facts selectively (perhaps lying by omission) to encourage a particular synthesis, or using loaded messages to produce an emotional rather than a rational response to the information presented. The term propaganda has acquired a strongly negative connotation by association with its most manipulative and jingoistic examples.

Brushing your teeth using salt or especially sea salt reduces the acidic contents in the mouth and balances the natural pH level, preventing tooth decay.

Answer:

Saltwater rinses can assist save you micro organism from developing for your mouth.

While salt in toothpaste might help eliminate stains, it can also be harmful to your teeth. Salt toothpaste can permanently destroy your pearly whites if it isn't blended with the right components or prepared as a DIY experiment. On this one, you'll want to leave the DIY projects to the specialists and avoid putting your dental health at risk.

"Saltwater rinses function through elevating the pH stability withinside the mouth, ensuing in a miles more alkaline oral surroundings wherein micro organism can not flourish," Lazare explains. "Because dangerous micro organism choose an acidic surroundings, the mouth can come to be much less indignant and more healthy after the acidic surroundings is neutralised."

When used at the side of ordinary plaque control, a small 2017 examine located that saltwater rinses are green at lowering dental plaque and oral micro organism count.

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Answer:

the ans is

Explanation:

D)The great Plains

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