1-choose any two points on the line.
2-draw a right-angled triangle with the line as hypotenuse.
3-use the scale on each axis to find the triangle's: vertical length.horizontal length.
4-work out the vertical length ÷ horizontal length.
5-the result is the gradient of the line.
Acid rain damages the protective waxy coating of leaves and allows acids to diffuse into them, which interrupts the evaporation of water and gas exchange so that the plant can no longer breathe
Answer:
Option (B)
Explanation:
Latitudes are the lines that are parallel to one another and that runs in the east-west direction. The earth bulges at the equator, so the length of the latitude at the equator is the longest. This latitude, along with the longitude, gives the exact co-ordinate on earth.
These lines of latitude are extended in both the northern and the southern hemisphere, at a fixed interval of 10°. This ranges from 0° at the equator to the 90° at the poles. The length of these lines of latitude decreases with the increasing distance from the equator.
Thus, the correct answer is option (B).
