Questions

Caverns are openings in the ground. Some famous caverns in the United States are Mammoth Cave, Carlsbad Caverns, Wind Cave, and Luray Caverns.

When rainwater trickles down through the soil, it carries carbon dioxide from the air with it. This turns acidic as it moves through the soil, joining with carbon from decaying plants. This acidic rainwater then eats away at, or erodes, the rock under the ground, forming a cave or cavern. For this process to occur, the rock must be the right type; limestone, dolomite, and gypsum are common.

Baltic Sea White is thelongest Canal.It is in Russia

Sahara is the largest of sll the desrts .It is located in Africa

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).