The sky is blue because blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
The correct answer for this question is option C
Asteroids are made up of metals, oxygen and silicon. Comets are made up of ice, dust and rocky material.
2:<span>The Amazon Basin has an extremely interesting
hydrological cycle that controls the local climate, which is able to
sustain all the biodiversity within the region,
3:</span>
<span>Tropical wet climates receive much more rain than tropical dry climates do.
However, the term “tropical wet and dry climate” actually refers to a
single type of climate. Tropical dry climates occur in deserts, while
tropical wet climates usually occur along the rainforest belt. Tropical
wet and dry climates have a distinct dry season and a distinct wet
season, which produces a Savanna habitat.
4:</span>
<span>Proven mineral resources are extensive. Large iron and manganese reserves are important sources of industrial raw materials and export earnings.
5;</span>
<span>The Amazon River carries more water into the Atlantic Ocean than any other river does to any other body of water.</span>
