Answer:
this shows that at one point these animals lived on the surface because there were plants for them to eat
Explanation:
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1- four single bonds, 2- two single and one double bond, 3- one single and one t<span>riple bond, 4- two double bonds.</span>
They are a very good example of mutualism in which each species benefits. Please mark Brainliest!!!
Answer: to protect and preserve the ocean
Explanation: The ocean produces over half of the world's oxygen and absorbs 50 times more carbon dioxide than our atmosphere. Climate regulation: Covering 70 percent of the Earth's surface, the ocean transports heat from the equator to the poles, regulating our climate and weather patterns.