What was the first vitamin to be discovered scientifically?
vitamin C
riboflavin
vitamin A
thiamine

The answer is Thiamine or vitamin b1, it discovered in 1910 .

Thiamine help body to convert ccarbohydrates into energy, which commonly found in rice.

It also helps to metabolize protein. 3 years later, in 1913 vitamin a was found.

Explanation:

his week a heat wave will be hitting, and most of the country will be experiencing temperatures above average for july. due to humidity, the temperature outside can feel even warmer than it actually is. this adjusted temperature, often referred to as the “feels like” temperature is called the heat index. the chart shows the heat index, which is calculated based on temperature and relative humidity. use this chart to answer the following questions.  

it's false.

"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."