Category: Physics

What does PreCambrian mean in Greek? Precambrian* – all the time prior to the start of the Cambrian (not a formal era/eon name) * synonymous with “Cryptozoic” – Greek for “hidden life” Proterozoic eon – Greek for “former life” What does period mean in geologic time scale? Period, in geology, the basic unit of the […]

What is a reflection in anatomy? 1. a turning or bending back. 2. the folds produced when a membrane passes over the surface of an organ and then passes back to the body wall that it lines. Where is reflection used? A microscope uses a mirror to reflect light to the specimen under the microscope. […]

What is similar to hydrogen? Nonmetal Which atom is most like hydrogen? Name Four Elements That Have Properties Similar to Hydrogen Lithium. Lithium is the lightest metal in the world. Sodium. The element sodium is most well-known for its relation to table salt, which humans use abundantly in food preparation and preservation. Potassium. Rubidium. How […]

How do I calculate my Venus sign? To find your Venus Sign: Jump to your year of birth. Find the last entry preceding your birth date. Read the Venus Sign written to the right end of that entry. This is the sign of the astrology guide you should download. Head to our horoscope guide shop […]

What is the difference of the volume of the two oblique pyramids? The formula for the volume of the pyramid is, V = [1/3](area of the base)*height. 1.17 rounded to nearest tenth is 1.2. What is the volume of the pyramid the oblique pyramid has a square base? The oblique pyramid has a square base. […]

What is ester in food? Esters can be found all throughout the natural world. They are known for producing a range of pleasant fragrances and flavors. They occur naturally in many foods, such as fruit, and in alcoholic beverages. Triesters, molecules that contain three ester groups, occur in nature as oils and fats. Is Ester […]

What happens if you connect an ammeter in parallel? If we connect an ammeter in parallel there will be higher flow of current through the ammeter, it would cause a short circuit, resulting in damaging the ammeter and the circuit. Ammeter has a very low resistance. So the current which we measure in a circuit […]

Is Punxsutawney Phil the same groundhog every year? Each year since then has seen a steady increase in participation of the celebration from people all over the world. It’s been the same Punxsutawney Phil for all 135 years of the tradition, according to the Punxsutawney Groundhog Club. That’s over 15 times longer than the upper […]

Are 3D printers a waste of money? Using 3D Printing For Other Hobbies It’s like many hobbies, they can be a waste of time and money, or you can use it to the best of your abilities and make something out of it. Many 3D printers make sure to use it for things they planned […]

Can 200 decibels kill a human? Acoustic grenades can go roughly from 120 decibels to 190 decibels. German researcher Jurgen Altmann showed that a blast of 210 decibels or more affects the inner organs — the lungs — and could cause internal injury that could lead to death. A blast will impact the body, and […]