Are air bubbles in ice older or younger? After the lock in depth, the air bubbles no long exchange with the atmosphere so they age at the same rate as the ice. Okay, so basically we now know the air bubbles trapped in the ice cores are younger than the ice surrounding it. Why is […]
How does water go up a mountain?
How does water go up a mountain? Mountains are often called nature’s water towers. They intercept air circulating around the globe and force it upwards where it condenses into clouds, which provide rain and snow. It is no surprise then that in semi-arid and arid regions, over 70 to 90 percent of river flows come […]
Did Westinghouse screw over Tesla?
Did Westinghouse screw over Tesla? To Westinghouse’s amazement, Tesla tore up the original contract on the spot. Tesla was grateful to Westinghouse for believing in him when no one else would. In return, Westinghouse paid Tesla a $216,000 lump sum for the right to use his AC patents in perpetuity (that’s worth roughly $5.4 million […]
What if France did not surrender?
What if France did not surrender? If the French had not surrendered, there would have been many important consequences: The French fleet would have remained in the War, this would have made the invasion of Britain impossible. France could have continued the war from North Africa. This would have meant that the Axis would not […]
Which is not an IR vibrational mode?
Which is not an IR vibrational mode? Molecular Vibrations Diatomic molecules are observed in the Raman spectra but not in the IR spectra. The normal modes of vibration are: asymmetric, symmetric, wagging, twisting, scissoring, and rocking for polyatomic molecules. What are the selection rules for FTIR absorption? What are the selection rules for FTIR absorption? […]
What does the chemical formula C3H6O2?
What does the chemical formula C3H6O2? Propionic acid | C3H6O2 | ChemSpider. What is CH4N? Methylene, 1-amino- | CH4N – PubChem. How many esters are there in c3h6o2? two esters How many esters are possible for? In all cases the alcohol is a primary alcohol. Hence six esters with the molecular formula C5H10O2 can be […]
What did Sally make landfall?
What did Sally make landfall? Hurricane Sally made landfall as a Category 2 storm near the city of Gulf Shores, Alabama, at 4:45 a.m. local time Wednesday. It has dumped 30 inches of rain on parts of Florida and Alabama, and soaking the Carolinas. Where exactly did Sally make landfall? Gulf Shores When was the […]
What is the use of ammeter?
What is the use of ammeter? Ammeter, instrument for measuring either direct or alternating electric current, in amperes. An ammeter can measure a wide range of current values because at high values only a small portion of the current is directed through the meter mechanism; a shunt in parallel with the meter carries the major […]
How do you guess multiple choices?
How do you guess multiple choices? How to answer multiple choice questions like a pro Know what each multiple choice question is asking. This is an easy and understandable first step, but it’s one many students miss. Evaluate each answer to the multiple choice question. Eliminate each clearly wrong answer. If all else fails, guess […]