Answer:
Volcanoes can be constructive if they happen in the ocean, as they can form islands and therefore be new places for plants and animals to grow and thrive.
Volcanoes can be destructive if they kill a large amount of animals by forming on land.
Hope this helps :)
They are less likely to be separated during crossing over.
Answer:
Quite literally Everything
Well, the carbon cycle provides an example of matter cycling and energy flow in ecosystems. Photosynthesis, digestion of plant matter, respiration, and decomposition are important components of the carbon cycle, in which carbon is exchanged between the biosphere, atmosphere, oceans, and geosphere through chemical, physical, geological, and biological processes.
Well it surely isn't nuclear, or electrical. It's not radiant either.. So the only answer is chemical.