What are constructive forces give an example? Constructive forces are processes that cause the Earth’s surface to build up or rise. Examples include depositions, earthquakes, faults, and… What is constructive and destructive forces? Destructive Forces break down features on the Earth’s surface. Constructive Forces build up features on the surface of the Earth. What are […]

What are two types of atmospheres? Based on chemical composition, the atmosphere is divided into two broad layers: the homosphere and the heterosphere. How high is the Earth’s atmosphere? 10,000 kilometers What layer do weather balloons reach right before they burst? In two hours, a weather balloon can rise above the clouds, higher than the […]

What formed the Cumberland Plateau? The rocks that now form the cap of the Cumberland Plateau were laid down in a ancient shal low sea over 350 million years ago, during the Mississippian (360- 320 million years ago) and the Pennsylvanian (320 – 296 million years ago) periods of geologic time. How was the Appalachian […]

How do you prevent efflorescence in the shower? The best way to prevent efflorescence is to maintain your seal. As long as the seal on your floor is in good condition, water cannot penetrate the stone. However, if you can’t get it fixed right away, the next best thing is to keep the floor completely […]

What are 10 examples of pure substances? Examples of Pure Substances Hydrogen gas. Gold metal. Sugar (sucrose) Baking soda (sodium bicarbonate) Ammonia. Diamond. Copper wire. Silicon chip. What are considered pure substances? A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance […]

How long can a human survive without air? You can survive three minutes without breathable air (unconsciousness) generally with protection, or in icy water. You can survive three hours in a harsh environment (extreme heat or cold). Can we live without air Why? Answer. Answer: we can’t live without air as because our cells of […]

Why do we see only one side of the moon always for Class 6? e)We always see only one side of the moon, because the moon moves around the earth in about 27 days and it takes exactly the same time to complete one spin. Why can we never see the backside of the moon […]

Why is storing energy so difficult? Use the electricity to pump water into a reservoir and it’s stored as kinetic energy for some time. Storing it as electricity is difficult because of leakage. It’s constantly trying to convert itself to heat energy which dissipates into the surroundings. Is solar energy difficult to store? Why Is […]

What is formed when a meander is cut off? A meander cutoff, the natural form of a cutting or cut in a river occurs when a pronounced meander (hook) in a river is breached by a flow that connects the two closest parts of the hook to form a new channel, a full loop. Rivers […]

Where did the Founding Fathers come from? The Founding Fathers, a group of predominantly wealthy plantation owners and businessmen, united 13 disparate colonies, fought for independence from Britain and penned a series of influential governing documents that steer the country to this day. What did the founding fathers want for our country? With the Revolutionary […]