What air masses are cold and dry? Continental air masses form over land and are dry. Therefore, an air mass that develops over northern Canada is called a continental polar air mass and is cold and dry. One that forms over the Indian Ocean is called a maritime tropical air mass and is warm and […]
Is a 7 day period normal?
Is a 7 day period normal? The average period is two to seven days in length, so bleeding for eight days or more is considered long. In general, periods on the longer end of normal (five to seven days) aren’t something to worry about. So although aggravating, it’s unlikely due to an underlying problem. Why […]
Is tundra on top of a mountain?
Is tundra on top of a mountain? The Alpine Tundra is a unique biome in that it’s found all over the globe, but only on tops of the tallest mountains. While temperature and rainfall usually determine the other biomes, this one is defined mostly by elevation. What landforms can be found in the tundra? The […]
What is the charge state of sulfur?
What is the charge state of sulfur? sulfur atomic number 16 density (at 20 °C [68 °F]) rhombic 2.07 grams/cm3 monoclinic 1.96 grams/cm3 oxidation states −2, +4, +6 What is the ionic state of sulfur? +4 The oxidation state of the sulfur is +4. Is sulfur an anion or cation? And all of them form […]
What is the book the secret school about?
What is the book the secret school about? More than anything, Ida Bidson wants to become a teacher. To do that, she needs to finish eighth grade so she can go on to high school. But when the one-room school in Ida’s remote Colorado town closes unexpectedly, that dream seems unattainable. Her only hope is […]
How many hours a day do dolphins sleep?
How many hours a day do dolphins sleep? They seem to switch off every two hours or so until they get a full eight hours a day. Is it true that dolphins don’t sleep? Sleep Time First of all, dolphins don’t sleep in one long chunk like humans or other mammals. Instead, they take 15 […]
What is super effective against ice Pokemon?
What is super effective against ice Pokemon? Ice Pokemon are effective against Dragon, Flying, Grass and Ground. To take them down, use Fighting, Fire, Rock, or Steel attacks. How do you beat frozen Pokemon? The Ice type pokemon are very effective against Grass, Ground, Flying and Dragon type pokemon. While weak to Fire, Fighting, Rock […]
What are 5 inventions from ancient China?
What are 5 inventions from ancient China? Below is a list of the 20 inventions created by ancient Chinese and some may surprise you. Paper Making 105 A.C. Movable Type Printing 960-1279 AD. Gunpowder 1000 A.D. Compass 1100 A.D. Alcohol 2000 BC－1600 BC. Mechanical Clock 725 A.D. Tea Production 2,737 BC. Silk 6,000 years ago. […]
How is gold electroplating done?
How is gold electroplating done? Modern gold plating, called gold electroplating, relies on a chemical process to combine various layers of metal into a solid piece with a layer of gold resting on the surface. The component you’re plating is immersed in this bath and an electric current is applied to it. How much does […]
What did Karl Ferdinand Braun discover?
What did Karl Ferdinand Braun discover? rectifier effect Karl Ferdinand Braun Ferdinand Braun discovered the rectifier effect in semiconductors, built the first cathode-ray tube oscilloscope and developed a crystal detector for wireless telegraphy. For this invention, he received the Nobel Prize for physics, together with Marconi. What instrument did Karl Braun invent? Braun invented the […]