Yes. Ingredients for cooking oil tend to come from plants (like olives for olive oil) and plants are considered Natural Resources because they come from the earth.
oil
Oil
Oil has a reserve of chemical energy. If we burn it, that gets converted to heat energy.
The sun
Oil
Oil
In most food webs the Sun is the ultimate source of energy. Some food webs start with chemotrophs and in those cases the source of the energy are chemicals often from underwater volcanoes.
from food
Oil is a non replenishable source of energy. and, Oil is a "fossil fuel".
The Sun is the ultimate source of all energy on earth.
Yes fats are the most calorific energy source.
the source for all enery is sunlight