Why does it feel like the earth is shaking? Internal vibrations are thought to stem from the same causes as tremors. The shaking may simply be too subtle to see. Nervous system conditions such as Parkinson’s disease, multiple sclerosis (MS), and essential tremor can all cause these tremors. Sometimes, anxiety can cause or worsen the […]
Which property could Huygens not prove?
Which property could Huygens not prove? Because, while Huygens’ was correct, he could not demonstrate that light acted as a wave, while the double-slit experiment shows this very clearly. Since light has relatively short wavelengths, to show wave effects it must interact with something small — Young’s small, closely spaced slits worked. What is Hydance […]
Is Melting snow a physical change?
Why does tightening a string increase pitch?
Why does tightening a string increase pitch? Tightening the string gives it a higher frequency while loosening it lowers the frequency. This higher frequency of vibration means that the air particles around the string carry a higher frequency sound wave to your ear, which perceives the higher frequency as a higher pitch. What happens if […]
What is another name for communication medium?
What is another name for communication medium? The plural form is media, and the term is also known as a channel. The medium used to send a message may range from an individual’s voice, writing, clothing, and body language to forms of mass communication such as newspapers, television, and the internet. What are the most […]
What is the best solvent for carbon disulfide?
What is the best solvent for carbon disulfide? Carbon disulfide is a colorless liquid, with an chloroform like smell when pure. Impure CS2 has a yellowish color and has a putrid smell. It is insoluble in water, but soluble in many organic solvents, such as benzene, ethanol, diethyl ether, carbon tetrachloride, chloroform. What is the […]
What bacteria Cannot be killed by antibiotics?
What bacteria Cannot be killed by antibiotics? Bacteria resistant to antibiotics methicillin-resistant Staphylococcus aureus (MRSA) vancomycin-resistant Enterococcus (VRE) multi-drug-resistant Mycobacterium tuberculosis (MDR-TB) carbapenem-resistant Enterobacteriaceae (CRE) gut bacteria. Can you reverse antibiotic resistance? Yes, antibiotic resistance traits can be lost, but this reverse process occurs more slowly. If the selective pressure that is applied by the […]
Is a recession coming 2020?
Is a recession coming 2020? Current projections show a 55 percent chance of a recession in the second half of 2020. The biggest risks are trade war uncertainty and (a) global slowdown. (Odds of a recession between now and the November 2020 election are) 25 percent. (Odds of a recession between now and the November […]
What swim goggles do Navy SEALs use?
Which property properties contributes to the high surface tension of water?
Which property properties contributes to the high surface tension of water? Water has cohesive and adhesive properties. Cohesive forces are responsible for surface tension, the tendency of a liquid’s surface to resist rupture when placed under tension or stress. Water also has adhesive properties that allow it to stick to substances other than itself. Which […]