Questions

The water cycle is a term for the movement of water between the Earth's surface, the sky and underground. Water evaporates due to heat from the sun. Hence, the water cycle is driven primarily by the energy from the sun.

This solar energy drives the cycle by evaporating water from the oceans, lakes, rivers, and even the soil. Other water moves from plants to the atmosphere through the process of transpiration.

Shortest of all the days is observed on Decenber 22

Mammals and Birds are Warm-blooded Animals.

Warm-blooded animals have body temperatures that usually stay the same Whether it is sunny and hot outside or there is a snowstorm.They are able to regulate their body temperature which changes with temperature of environment.

• Warm Blooded Animals :: Apes, Monkeys, Whales, Elephants, Cheetahs, Giraffes, Pets, Felines, Pigs and Humans(all other live birth bearing creatures that nurse their young)..

• Cold Blooded Animals :: All Reptiles, Amphibians, Fish as well as Insects (Bugs).

Alum is a common alum, potassium aluminum sulphate K2SO4.Al2SO43.24H2O which makes colloidally suspended impurities in water such as clay to settle down.