How is gas extracted in fracking? Hydraulic fracturing – commonly known as fracking – is the process used to extract shale gas. Fracking fluids containing sand, water and chemicals are then pumped at high pressure into the drilled holes, to open up fractures in the rock, enabling the trapped gas to flow through the fractures […]

How does your body regulate blood pH levels? Role of the lungs One mechanism the body uses to control blood pH involves the release of carbon dioxide from the lungs. Carbon dioxide, which is mildly acidic, is a waste product of the processing (metabolism) of oxygen and nutrients (which all cells need) and, as such, […]

What types of structures have the same function but do not share a common ancestry? Analogous structures are similar structures in unrelated organisms. These structures are similar because they do the same job, not because they share common ancestry. For example, dolphins and sharks both have fins, even though they aren’t related. Both species developed […]

What percentage of a radioactive element will be left after 1 Half Life? Thus the half-life of a nuclear decay process is the time required for the number of unstable nuclei to decrease from [A]0 to 1/2[A]0….Radioactive Decay Rates. Number of Half-Lives Percentage of Reactant Remaining 1 100%2=50% 12(100%)=50% 2 50%2=25% 12(12)(100%)=25% 3 25%2=12.5% 12(12)(12)(100%)=12.5% […]

What is the recommended treatment for the common cold? These include acetaminophen (Children’s Tylenol, FeverAll, others) or ibuprofen (Children’s Advil, Children’s Motrin, others) to ease symptoms. Decongestant nasal sprays. Adults can use decongestant drops or sprays for up to five days. Prolonged use can cause rebound symptoms. What is the prevention of common cold? You […]

What precautions should be taken while using electrical appliances? 15 Safety Precautions When Working With Electricity Avoid water at all times when working with electricity. Never use equipment with frayed cords, damaged insulation or broken plugs. If you are working on any receptacle at your home then always turn off the mains. Always use insulated […]

What does antipsychotic drug mean? Antipsychotic: A medication (or another measure) that is believed to be effective in the treatment of psychosis. For example, aripiprazole (Abilify) is an antipsychotic medication used to treat schizophrenia. What are atypical antipsychotics used to treat? Atypical antipsychotics are a class of drugs used primarily to treat psychotic disorders. Rationale […]

What is the symbol of an inverse function? Notation. The inverse of the function f is denoted by f -1 (if your browser doesn’t support superscripts, that is looks like f with an exponent of -1) and is pronounced “f inverse”. Although the inverse of a function looks like you’re raising the function to the […]

What are the two main functions of the foreign exchange market? The following are the important functions of a foreign exchange market: To transfer finance, purchasing power from one nation to another. To provide credit for international trade. To make provision for hedging facilities, i.e., to facilitate buying and selling spot or forward foreign exchange. […]

Why is ceramic with a conductivity less than that of a metal but greater than that of a good insulator an ideal choice for the stove top? Why is ceramic, with a conductivity less than that of a metal but greater than that of a good insulator, an ideal choice for the stove top? The […]