Answer:
This region was formed when cracks in the Earth's crust created a rift valley, which is a “valley created when the part of land between the cracks in the Earth's crust drops down”. Two major waterways that are located within this landform region are the St. Lawrence River and Lake Huron.
Explanation:
It is considered one region!
I think both options are true!
The advantage of using passive or active solar systems was these systems release low amounts of carbon dioxide or other pollutants. Thus, Option C is the correct statement.
<h3>What is the benefit of using Passive or active solar systems?</h3>
One of the best reasons to use effective solar technology is to reduce your energy bills. Active solar systems can include expensive hardware, and Passive solar systems may create the cost of renovating your home, but a reduction in your utility bills will ultimately outweigh the costs.
Thus, Option C is the correct statement.
Learn more about solar technology here:
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18
Explanation:
B is the vertex angle of isosceles triangle. So AB = BC and base side is AC.
As AB = BC
So,
5
x
−
28
=
2
x
+
11
5
x
−
2
x
=
28
+
11
3
x
=
39
x
=
39
3
=
13
AC =
x
+
5
= 13 + 5 = 18
