Answer:
they should place a flexible mattress in the crib
Explanation:
The positive impact of ocean is clouds formation whereas negative impact of ocean is undrinkable water.
<h3>What are the positive and negative impact of ocean?</h3>
The positive impact of ocean on the human and the environment is the formation of clouds because the salty water of ocean is responsible for the formation of cloud which bring water on the land.
The negative impact of ocean is that it makes the water of the coastal region also salty which is undrinkable.
So we can conclude that the positive impact of ocean is clouds formation whereas negative impact of ocean is undrinkable water.
Learn more about ocean here: brainly.com/question/25154137
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