How 2020 is a unique leap year? 2020 is a unique Leap Year. It has 29 days in February, 300 days in March and 5 years in April. May may never never end end. Why is February called February? February is named after an ancient Roman festival of purification called Februa. The Roman calendar originally […]
What are the 5 steps of an action potential?
What are the 5 steps of an action potential? The action potential can be divided into five phases: the resting potential, threshold, the rising phase, the falling phase, and the recovery phase. How does a neuron get activated? A neuron is activated by other neurons to which it is connected. In turn, its own activation […]
Is rural living safe?
Is rural living safe? Compared to cities and suburban areas, rural locations are the most dangerous places to live. A study found that “your risk of death is actually about 22 percent higher in the most rural counties in America than in the most urban ones.” Death rates in the exurbs are higher for a […]
Are Finns Nordic or Slavic?
Are Finns Nordic or Slavic? Finns are North Europeans, closely related to Estonians and Swedes-Norwegians, but also to North Russian and Baltic people. Via N male ancestry, which is Finnic. They are neither Slavic nor Scandinavian but because of Finland’s close history to Sweden, they are most likely closer to Scandinavian. What would happen if […]
Can you drive in freezing rain?
Can you drive in freezing rain? Don’t drive, if you don’t have to. If you are aware of freezing rain conditions, stay home. Even with the reduction of speed, slick conditions like freezing rain just means that you will slide slower across the ice-ridden roads. Is driving with sleet dangerous? One of the reasons it […]
How do you identify uranium?
How do you identify uranium? Uranium is a silvery-gray metallic weakly radioactive chemical element. It has the chemical symbol U and atomic number 92. The most common isotopes in natural uranium are 238U (99.27%) and 235U (0.72%). What is the most common use for uranium? A radioactive, silvery metal. Uranium is a very important element […]
What will happen if a house do not have a vent system?
What will happen if a house do not have a vent system? It can make our homes “sick”, with condensation and mould damaging the walls and fabric of our houses. But, more importantly, it can make the occupants sick. High humidity levels can affect allergies and complicate respiratory diseases brought on by certain biological agents […]
How can groundwater erosion be prevented?
How can groundwater erosion be prevented? mulch. Using straw, wood chips, saw dust, or some other material as ground cover can limit the effects of erosion until plants or crops can grow to the point of protecting the soil themselves. Are caves formed by erosion? Corrasional or erosional caves are those that form entirely by […]
What increases effective population size?
What increases effective population size? One of the things that can influence the effective population size is the sex ratio of the breeding animals. We can estimate Ne using information from a population census or pedigree database about the numbers of males (Nm) and females (Nf) that produce offspring in a generation. How does population […]
What is the oxidation number for CO in LiCoO2?
What is the oxidation number for CO in LiCoO2? +3 Which region of the periodic table shown here contains elements that are easiest to oxidize? b) Region D contains the least readily oxidized elements. Those elements lack one or two electrons to reach the electronic configuration of noble gases, so they want to accept new […]