There are many fuels that produce energy. Some are:
- Coal
- Nuclear Energy
- BioFuel
- Oil / Gas
Hope this helps!
Coal powered cause air polution
Theory in science: A well tested explanation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predictions about new situations.
Theory everyday term: An idea used to account for a situation or justify a course of action.
Answer:
They open the stomata during the day to collect light energy from the sun and carbon dioxide from the atmosphere, i.e adaptation.
Explanation:
Plants also responds to hormones such as abscisic acid that causes the stomata to close during stressful conditions. During the day the mesophyll in a leaf requires the stomata to open for exposure to sunlight and carbon dioxide. It closes at night when there is no sunlight to prevent water loss through transpiration in response to the turgidity of guard cells.