What is it called when you study stars? What is Astronomy? Astronomy is the study of everything in the universe beyond Earth’s atmosphere. That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars . How do scientists study space today? Astronomers study the […]
Does cold water help hurricanes?
Does cold water help hurricanes? Once they move over cold water or over land and lose touch with the hot water that powers them, these storms weaken and break apart. Recent studies have shown a link between ocean surface temperatures and tropical storm intensity – warmer waters fuel more energetic storms. What weakens a hurricane? […]
Why the nucleus is very dense?
Which is better Armageddon or Deep Impact?
Which is better Armageddon or Deep Impact? However, there is still much debate between film lovers about which one is generally considered the better film. While Armageddon stands out as the fan favorite because it’s a more entertaining movie, a lot more people prefer the emotional depth that comes with Deep Impact. What made more […]
How many people die on roller coasters annually?
How many people die on roller coasters annually? four deaths Are roller coasters bad for you? Findings from a 2009 study suggest that head motions during roller coaster rides typically confer a very low risk for traumatic brain injury (TBI), and a 2017 study found that brain strain rates during roller coaster rides were similar […]
How do I calculate total duration in Excel?
How do I calculate total duration in Excel? Another simple technique to calculate the duration between two times in Excel is using the TEXT function: Calculate hours between two times: =TEXT(B2-A2, “h”) Return hours and minutes between 2 times: =TEXT(B2-A2, “h:mm”) Return hours, minutes and seconds between 2 times: =TEXT(B2-A2, “h:mm:ss”) How do you write […]
Do divers breathe oxygen?
Do divers breathe oxygen? Contrary to popular belief, scuba divers don’t only breathe oxygen underwater. After all, we don’t breathe pure oxygen above water either. Divers go way deeper and explore much longer with mixtures such as nitrox, heliox, and hydrox as these are safer alternatives to simple compressed air. Can oxygen get you high? […]
Will a Jump Starter start a dead battery?
Will a Jump Starter start a dead battery? A car jump starter with 500 cold-cranking amps should be able to start just about any vehicle with a dead battery. What happens if you try to jump a car wrong? When the jumper cables are incorrectly connected, the polarity of the electrical system on the vehicle […]
What materials can you use for magnetic particle inspection?
What materials can you use for magnetic particle inspection? Common metallic materials like nickel, iron, steel, and cobalt are all ferromagnetic and perfect candidates for magnetic particle testing. Where is magnetic particle testing used? Magnetic particle inspection is used for detecting defects (discontinuities in surfaces and shallow subsurfacaes) in ferromagnetic materials. By magnetization of the […]
Which choice best describes a cation?
Which choice best describes a cation? They’re positively charged because they lost an electron: best describes cation. This answer has been confirmed as correct and helpful. Is calcium fluoride an ionic compound? Calcium fluoride (CaF2) is an insoluble ionic compound composed of Ca2+ and F− ions. It occurs naturally as the mineral “Fluorite” (also called […]