What is the highest possible frequency of sound? That’s about the same as the lowest pedal on a pipe organ. On the other side of the human hearing range, the highest possible frequency heard without discomfort is 20,000Hz. While 20 to 20,000Hz forms the absolute borders of the human hearing range, our hearing is most […]
What is the difference between sampling with replacement and without replacement?
What is the difference between sampling with replacement and without replacement? What’s the Difference? When we sample with replacement, the two sample values are independent. Practically, this means that what we get on the first one doesn’t affect what we get on the second. In sampling without replacement, the two sample values aren’t independent. What […]
Can trauma change your DNA?
Can trauma change your DNA? The findings, the authors concluded, supported an “epigenetic explanation.” The idea is that trauma can leave a chemical mark on a person’s genes, which then is passed down to subsequent generations. Instead it alters the mechanism by which the gene is converted into functioning proteins, or expressed. What RNA does […]
Which type of washing machine consumes less water?
Which type of washing machine consumes less water? As a front loader uses less water, there is significant energy or electricity saving as much less water is heated. Also, front loaders dry up the cloths to a significantly higher degree (as less water is used), the dryer cycles are much shorter, thus saving electricity on […]
What percentage of US voters voted in 2016?
What percentage of US voters voted in 2016? The site’s data on turnout as percentage of eligible voters (VEP), is slightly higher and similar to BPC: 2000 55.3%, 2004 60.7%, 2008 62.2%, 2012 58.6%. McDonald’s voter turnout data for 2016 is 60.1% and 50% for 2018. Who ran against Obama? 2012 United States presidential election […]
Is resultantly a proper word?
Is resultantly a proper word? re·sul·tant adj. Issuing or following as a consequence or result. 1. Something that results; an outcome. Is the resultant always the hypotenuse? When the two vectors are added head-to-tail as shown below, the resultant is the hypotenuse of a right triangle. A right triangle has two sides plus a hypotenuse; […]
Is there air on the moon?
Is there air on the moon? On the moon, there’s no air to breathe, no breezes to make the flags planted there by the Apollo astronauts flutter. However, there is a very, very thin layer of gases on the lunar surface that can almost be called an atmosphere. Technically, it’s considered an exosphere. How does […]
Who is a nominal person?
Who is a nominal person? 1. adjective [usually ADJECTIVE noun] You use nominal to indicate that someone or something is supposed to have a particular identity or status, but in reality does not have it. As he was still not allowed to run a company, his partner became its nominal head. What is a nominal […]
Does standing next to a microwave cause cancer?
Does standing next to a microwave cause cancer? Microwaves are therefore not known to damage DNA inside cells, according to the American Cancer Society. As a result, there is “little cause for concern” about excess microwaves leaking out from your oven, unless there is damage to the door hinge, latch or seal, the FDA says. […]
What are the four nonspecific defenses are caused by pathogens invading the body?
What are the four nonspecific defenses are caused by pathogens invading the body? Nonspecific defenses include anatomic barriers, inhibitors, phagocytosis, fever, inflammation, and IFN. Specific defenses include antibody (more…) What are examples of specific defenses? There are two types of specific defense. These include cell-mediated immunity and antibody-mediated immunity. Cell-mediated immunity occurs when T-lymphocytes (T-cells) […]