True. Each contour line on a topographic map represent a certain elevation; the closer they are, the steeper the surface is. All points on a contour line are the same elevation.
It could them know how it start when it started wats in the infectious disease and why
Answer: from what i can tell it looks like a heterogeneous mixture
Explanation:
heterogeneous is multiple different components, homogenous includes only the same component
Answer:
Explanation:
Given
Required
Determine the area
The area of a triangle is :
By substituting values for the x and y coordinates of A, B and C;
We have:
So:
For instance
The area is: