Answer:
Lack of drainage and water course croossing damage to health and detriment to farming productivity from dust. Damage to road users and equipment from rough roads
Answer:
The sun is a major source of ultraviolet rays. Though the sun emits all of the different kinds of electromagnetic radiation, 99% of its rays are in the form of visible light, ultraviolet rays, and infrared rays (also known as heat).
Explanation:
Answer:
Tokyo was originally a fishing village called Edo. It was first fortified by the Edo Clan in the 12th century and 200 years later the famous Edo Castle was built there. In 1509, the city became the center of government when Tokugawa Ieyasu became Shogun and made it his hometown
Answer: Option(b) is correct
Explanation:
Positive economics is the field where economy is studied and analysed without predicting about its judgement in terms of goodness or badness. This theory defines about cause and effect that causes economic processes and behavior.
Other options are incorrect because operation of federal government and price level is not set by positive economics also does not describe value decisions and expectation about economy should operate. Thus, the correct option is option(b) .
