We get energy from the food we eat. The energy in the food first comes from?

The energy the food first comes from is the sun.

Explanation:

It is the process of photosynthesis that locks the Sun's energy into simple carbohydrates like glucose.

The energy content of all food molecules can be traced back to the Sun. It is the process of photosynthesis that locks the Sun's energy into simple carbohydrates like glucose.

Hope this helps!

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements