I just need help with these 2 questions

The answer to the second one is true

Explanation:

Because the faster molecules move around the more heat that generates

1.) temperature

2.) heat

3.) Thermal energy

4.) True

Explanation:

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.