I would love to answer but unfortunately there is no picture.
Answer:
I'm pretty sure it's letter d
because not all substances react the same to temperature changes. If you heat a metal and an organic substance and you turn the temperature up, the organic substance like water will react (boil) while most metals need higher temperature to react.
Answer:
your doctor uses a needle to take blood from your arm and measure the level of alcohol
Explanation: there are also other tests such as urine test and breathalyzer tests
