Answer:(3x+3)+(x+7)=90, x=20
Explanation:
(3x+3)+(x+7)=90
4x+10=90
4x=80
x=20
A sea is great body of water, usually salty, that covers the earth broadly. It is a connected body of salt water that covers 70% of the earth.
The ocean on the other hand, is a large area of water in between continents. They are very big and they join smaller seas together. Together, the oceans are like one "ocean", since all the "oceans" are joined
The method used to date an hazard is collection of data on every date its has occurred in the region.
<h3>What is geologic hazards?</h3>
Basically, a geologic hazard means a geologic condition that is capable of causing widespread damage or loss of property and life.
The date at which the hazard arises helps the people to understand how often they occur or will occur
In conclusion, the method used to date an hazard is collection of data on every date its has occurred in the region.
Read more about geologic hazards
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It connects the continents of North and South America, controls the Panama Canal, is an important trading route.
