Day: December 10, 2021

A virus is a submicroscopic agent that acts as a parasite. It consists of a segment of DNA or RNA enclosed in a protein coat. Because they do not reproduce without a host cell, viruses are not considered to be living organisms by conventional taxonomy. However, once a virus has been shown to replicate and cause disease, it is classified as a living organism. Here are some facts about viruses. Viruses are composed of multiple copies of the same genetic material. The genes and RNA are contained within a virus […]

The Earth is the third planet from the Sun and the only astronomical object known to host life. The land on Earth makes up nearly 29.2% of its surface, which includes continents and islands. The sun is the largest star in the galaxy, with more than 1 trillion stars. The Sun is not the only source of light on Earth, though, and it also has a very small orbit around the planet. The inclination of the Earth’s axis is not determined by its size. The earth is composed of four […]