How the Seasons and Day and Night Occur The Earth’s relationship with the sun creates the four seasons and day and night. They are all caused by the rotation...
How do planets reflect light? How is a convex mirror used in a reflecting telescope? How big was Newton's reflecting telescope? What is the angular size of the moon? What does a waxing gibbous moon look like? How does a waning gibbous occur? How does light pollution affect astronomy? Wha...
Why do seasonal allergies occur? Allergies occur when the immune system views food, medicine, things in the environment or something else as harmful and overreacts. "Seasonal allergies occur when your immune system, which is normally designed to fight unwanted things like germs, becomes hyperactive ...
How do floods cause erosion? How does the water cycle affect hurricanes? How do waves cause erosion? Why do hurricanes occur? Why is coastal erosion from cyclones a problem? How do hurricanes affect the hydrosphere? How do hurricanes affect the cryosphere?
Leap years occur every four years, with an exception. Occasionally, we skip what is supposed to be a leap year for the same reason we have them in the first place. Adding a leap day once every four years eventually results in our calendar becoming 44 minutes too long, which can als...
Since SAD is a type of depression, most of the signs and symptoms of SAD are the same as those of general depression. Prolonged feelings of depression and hopelessness, low energy and fatigue, sleeping issues, changes in appetite and weight that seem to occur only during the winter are all...
When deadly avalanches do occur,the moving snow can quickly reach over 80 miles per hour.Skiers caught in such avalanches can be buried under dozens of feet of snow. 7 it's possible to dig out of such avalanches,not all are able to escape. ...
Viral fever is more common in children but can also occur in adults. The disease can be cured on its own if it is detected early and treated well. So how many days does viral fever in adults last and when should I go to the hospital for treatment?
When you step inside a warm ski lodge on a cold day, you find your eyeglasses fog. Why does this occur? Explain why most materials become less dense as their temperature is increased. How does density of air decrease with increases in humidity? Explain in detail. ...
How long do the seasons in a temperate forest last? How long will Bali volcano last? What is the safest type of tornado shelter? What are the characteristics of a tornado? Are landspouts recorded as tornados? Where on Earth do tornadoes occur?