Answer:
C. <ISN and <TSW
D. <TSN and <ISW
Explanation:
When two straight lines intersect each other, the two pairs of the opposite angles formed are called vertical angles.
In the figure given, we have two straight lines, NW and IT, which crosses each other. They form two pairs of opposite angles. They are:
<ISN and <TSW;
<TSN and <ISW.
These pairs of angles formed are vertical angles.
Enlightment and other things
Explanation:
Earthquakes shake and volcanoes erupt. Sections of the crust are on the move. Mountains push up and wear down. These and many other processes contribute to the rock cycle, which makes and changes rocks on or below the Earth's surface.
C. Because if it is developing, it won't be strong, meaning it will be at a lack.