Why is magnetism strongest at the poles? For a magnet, the flux lines repel each other so the field will be weaker at the sides. But they are concentrated at the poles, where they originate, so the field is stronger. Where is the weakest part of a magnetic field? The magnetic field is weakest at […]
What is a modified block style letter?
What is a modified block style letter? A modified block style letter is a common format used when writing a business letter. It varies slightly from a block style letter with the major difference being the placement of the return address, date, and complimentary closing. How do you write a modified block letter? In a […]
What defines a Rube Goldberg machine?
What defines a Rube Goldberg machine? A Rube Goldberg machine, named after American cartoonist Rube Goldberg, is a chain reaction-type machine or contraption intentionally designed to perform a simple task in an indirect and overly complicated way. What two simple machines make scissors? A pair of scissors is a compound machine consisting of levers and […]
What is highway hypnosis who is most at risk of this?
What is highway hypnosis who is most at risk of this? People who are bored or fatigued are more likely to lapse into highway hypnosis. For this reason, motorists often experience DWAM on long road trips or when traveling a route that they take often, like their daily commute. What 3 things does a driver […]
What are the three elements that are used in an operational definition?
What are the three elements that are used in an operational definition? Deming, an operational definition has three elements that help you to apply it: Criteria: The standard against which to evaluate the results of the test. Test: A specific procedure for measuring a characteristic. Decision: The determination as to whether the test results show […]
How do killer whales impact kelp forests?
How do killer whales impact kelp forests? Killer Whales Have Begun Preying On Sea Otters, Causing Disruption Of Coastal Ecosystems In Western Alaska. The decline in sea otters has allowed their primary prey, sea urchins, to increase in number and strip coastal kelp forests over large areas. Why did orcas start eating sea otters? Orcas […]
What was the major influence in the formation of the solar system?
What was the major influence in the formation of the solar system? Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed, possibly due to the shockwave of a nearby exploding star, called a supernova. When this dust cloud collapsed, it formed a solar […]
Why do we always have to include uplift with erosion?
Why do we always have to include uplift with erosion? Description. Erosional processes and rates of uplift strongly influence the overall shape of eroding landscapes. Uplift of a mass above base level increases the potential energy of the land. Uplift steepens stream profiles, energizing the streams, which then cut into the land mass. How does […]
What are the 3 basic elements of reinforcement theory?
What are the 3 basic elements of reinforcement theory? Reinforcement theory has three primary mechanisms behind it: selective exposure, selective perception, and selective retention. What are the basic principles of social cognitive theory? Key constructs of social cognitive theory that are relevant to nutritional intervention include observational learning, reinforcement, self-control, and self-efficacy [7]. Principles of […]