False. Think about how teachers have air conditioners on the top of the windows and how air balloons float up!! Therefore warm hair is lighter then cold air.
Answer: Coral reefs are important to the ecosystem because they are the pillars on which marine and coastal ecosystems are built. They keep plants, fish, and animals fed. They clean up our water and protect our coasts.
Explanation: Hope it helps :)
It takes the fatty proteins and liqwafizesees them
Answer:
The term voltage describes the electrical potential difference between two points.
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