Answer:
d. phosphates.
Explanation:
Weed -
It refers to the unwanted plants growing along with other plants , and are unnecessarily crowding the area and sucking the major nutrients from the soil , is referred to as a weed .
A weed growing along with other plants hence need to be taken out , as they disturb the other plants as well .
Excess of phosphates leads to the growth of these weeds .
Hence , from the given scenario of the question ,
The correct answer is d. phosphates.
11I. Movement of crystal plates
Answer:
Explanation:
Water surplus exists where supply exceeds demand. These are known as WATER SURPLUS areas. These are located in temperate and tropical wet areas with high rainfall and lower populations. Areas include the Amazon Basin, large parts of North America and Western Europe.
Areas with a water deficit or water shortage include Northern Africa and the Middle East where there may be low levels of rainfall, high agricultural demands and/or high population densities.
There are 165 major rivers in the world .
