Category: Earth and Universe
Granite has a coarse texture, while basalt has a smooth texture because the size of crystals of minerals forming granite is large, while the size of crystals of minerals forming basalt is small. The...
The Sun occupies the centre of the solar system, the Earth is one of the eight planets revolving around it. The Earth is the planet that we live on, The ozone layer protects living...
Planets revolve around the Sun in fixed orbits due to the attraction force of the Sun to the planets. Mercury, Venus, Earth and Mars are called the inner planets because they are the nearest...
UVB Radiation is a kind of ultraviolet light from the sun that has several harmful effects, UVB is particularly effective at damaging DNA, It is the cause of melanoma and other types of skin...