How many colours the sunlight spectrum has?
Three
Seven
Four
Five
How many colours the sunlight spectrum has?
The light of distant stars is affected by |
Answer |
The landmass of which of the following continents is the least? |
Answer |
Without ____ the equator would be much hotter than it is while the poles would be much cooler. |
Answer |
The habitats valuable for commercially harvested species are called |
Answer |
Which of the following is tropical grassland? |
Answer |
With the disintegration of USSR in end 1991, comprised of ____ Union Republics. |
Answer |
The iron and steel industries of which of the following countries are almost fully dependent on imported raw materials? |
Answer |
The temperature increases rapidly after |
Answer |
The humidity of the air depends upon |
Answer |
The groundwater can become confined between two impermeable layers. This type of enclosed water is called |
Answer |