Answer:
A digestive system
Explanation:
The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation.
Switching a lot of our energy consumption to renewable forms would significantly help the planet because it doesn’t put out pollution or waste, and doesn’t use the resources we are low on like coal or gas. Forms of renewable energy to switch to would be solar energy, wind energy, or hydroelectricity.
10 countries with the biggest proved coal reserves as of 2012
United States of America
Russia
China
Australia
India
Germany
Ukraine
Kazakhstan
Colombia
Canada
One well-known ocean would be the Indian Ocean.
