Answer: A
Explanation:
A is correct, since developed countries don't have as high birth rates, which decrease growth rate (it's actually pretty interesting when you look at the data and compare developed and non-developed countries in terms of birth rates.
B is wrong, since that would increase growth rates.
C is wrong, since (though that's true due to better medicine) that would increase growth rates.
Answer:
The reaction between an acid and a base is termed as neutralization reaction. This is because when an acid reacts with a base, they cancel out or nullify each other. In general it can be represented as :
Examples from daily life:
When a person is suffering from acidity, he is advised to take antacid tablets. This is because the excessive acid present in the stomach is nullified by basic nature of antacids .
Explanation:
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False. Mount Everest is very cold.
Acidity is determined using a pH indicator
