Competition among individuals for available food sources
Answer:
should be the deciduous forest
Explanation:
If enough ejecta (mainly ash) is sent into the upper atmosphere, the dust particles will block solar energy causing a decrease in temperature. This has happened in the past. Look for the year without summer caused by a volcanic eruption.
Answer:
Heat
Explanation:
In almost all the energy conversion process some of energy is lost in the form of heat.