Tarbela dam is the largest Earth filled dam in the world. It is buolt on river Indus, in Pakistan. Its primary use is electricity generation and supply water for irrigation by storing flows during the monsoon period and use it during the low flow period in the winter . Due to the lower rate of sedimentation, the useful life time of the dam has increased to 85 years.
Here, the option that is not valid is
D. It will be able to supply irrigation water for centuries.
Answer:
to show points of interest where visitors can go
Explanation:
a road map does not show crime or weather. It does show boundaries but tourists are looking for points of interest
An isobar is a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.
Answer:
D. The process by which new minerals form from existing minerals as
a result of elevated temperature or pressure
Explanation:
Metamorphism is a process that changes preexisting rocks into new forms because of increases in temperature, pressure, and chemically active fluids.
The correct answer is B. One.
Explanation
The Earth planet has two main movements, one is the rotation movement, in which the Earth rotates on its axis, this movement lasts 24 hours, that is, one day; the second is the revolution movement, in which the earth takes 365 days or 366 days, or 12 months, that is, one year, this movement causes the earth to orbit around the sun. According to the statement, it can be said that the earth orbits around the sun once every 12 months. So, the correct answer is B. One.
