Magma chamber
central vent
crater
I think
Answer:
No.
Explanation:
No, writing "are a" in a sentence is not correct because ''are '' is used for plural objects or things such these are boys, footballs are big etc while n the other hand, ''a'' is used for singular objects such as a ball, a boy etc so these two words which are used in separate sentences not in a single sentence with each other. so we can say that we can't write "are a" in a single sentence.
Got you the answer is true
Persian Gulf is the answer
Hydraulic fracturing using high pressure liquids to break rocks can be used to access deep reservoirs of <u>crude oil. </u>
<h3>What is the use of hydraulic fracturing?</h3>
In a process known as fracking, hydraulic fracturing is done when a fluid is injected into rocks far below the surface.
The aim of this process is to get the rocks to break apart which would then allow the deep reserves of oil to be accessed. This is a major process of crude oil production in the United States.
Find out more on fracking at brainly.com/question/24561007.