International Day for Desertification and Drought is observed on?

Dengue fever is primarily transmitted by the Aedes aegypti mosquito. This mosquito breeds in stagnant water and is active during daytime, spreading viral diseases such as dengue, Zika, and chikungunya.

Mars has two natural satellites, Phobos and Deimos. These moons are believed to be captured asteroids and are much smaller and irregular in shape compared to Earth’s Moon.

The term “bit” stands for binary digit and is the smallest unit of data in computing. A bit can have only two possible values, 0 or 1, which form the basis of digital systems and computer processing.

Vitamin D deficiency causes rickets in children, leading to weak and soft bones due to improper calcium absorption. In adults, a similar condition called osteomalacia can occur, causing bone pain and weakness.

Guglielmo Marconi successfully transmitted radio signals over long distances and is widely recognized as the pioneer of practical wireless communication. His experiments laid the foundation for modern radio, television, and wireless technology.