natural resources chapter learing 9th class
Answers
As land gets heated faster than water, therefore the air over land gets heated up faster than that over the water bodies.
The quality of the topsoil is an important factor that decides biodiversity in that area.
Decomposers help in bringing back the minerals from the living system to the nutrient pool.
Due to absence of atmosphere on moon, the temperature at the moon ranges from – 190°C to 110°C.
Sulphur dioxide and nitric oxide gases present in the air dissolve in rain water to form acid rain.
Suspended particulate matter consists of solid particles that remain suspended in the air in the form of smoke, dust and vapours to cause haze, which reduces visibility.
Freshwater is found frozen in the ice-caps at the two poles and on snow-covered mountains.