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Why does a plume of contamination spread out away from the source of contamination?
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What are two ideas which ideas spread?
They give away farmers and workers from their jobs .
What happens to the illuminance when you move away from the light source?
The intensity decreases.
How do you make a smaller and clearer shadow when you can not move the object?
Move the light source farther away from the object.
Why does light get dimmer as you move farther away from the light source?
Background ResearchThere are several reasons why light dims with distance. One reason is the shape of the source. For example, if you are holding a flash light, the flashlight's source/bulb is a cone. Therefore, the larger the distance, the more dim it will be. The Light gets more spread out as the distance increases. If you had a piece of chewed gum, and you stretch it out, the thickness of the gum will be small. By doing this, this explains that light gets more spread out as the distance increases. The gum's size becomes bigger, as the gum's width becomes smaller. (WikiAsk)Another reason why light dims with distance is because of the type of light bulb. Let's say you have an ordinary light bulb you bought from Home Depot. And then you buy a LED light bulb that is much more strong and gives much more brightness. Which do you think will be the brightest, regular light bulb, or LED light bulb. The LED light bulb.
How are light rays coming from a point source of light different then larger source?
From a point source, the light spreads out in all directions and adjacent light waves diverge from one another. From a larger source, it appears more like the light waves are moving parallel to each other, with little divergence. It's a relative thing. From the perspective of Earth, the Sun's rays are all parallel to each other because the Sun is huge and also because we are so far away from it. So the key differences are: 1. Small, point like source. 2. Being close to the source. Combinations of 1 and 2 above produce more divergent rays. Either of 1 and 2 below (or a combination of the two) will produce more parallel rays that don't diverge much. 1. Large light source 2. You're far away from the source.
Why are cotton stoppers not to set down on the table after use?
They can easily be a source of contamination and must be thrown away or removed.
How sound travels away from the source?
Sound travels in all directions. it will spread out.
What is meant by light rays being divergent?
This means that the light rays spread more out the further away from the source they are.
Why do sounds grow fainter as you get further away from the sound source.?
They spread out, reducing the energy per unit of surface.
Why does moving away from a radio affect the loudness you hear?
because sound waves spread out, intensity decreases with distance from the source.
What is the source of magma for intraplate volcanism?
Rift zone
When the source of a sound is moving the sound waves spread out as it travels away from the listener As this happens what does the listener observe?
a lower-pitched sound
Why are chemical stored well away from food?
So that there is no cross contamination.
What is mantle plume?
A mantle plume is a rising mass of extra hot mantle rock. Mantle plumes are though to be the cause of volcanic activity away from plate boundaries.
How can one mantle plume form several volcanic islands?
Mantle plumes appear to remain nearly stationary. However, the lithospheric plate above a mantle plume continues to drift slowly. So, the volcano on the surface is eventually carried away from the mantle plume. The activity of the volcano stops because it has moved away from the hot spot that supplied it with magma. A new volcano forms, however, at the point on the plate's surface that is now over the mantle plume. Some mantle plumes are long and linear. As magma generated by these plumes rises through cracks in Earth's crust, a line of hotspot volcanoes forms. Unlike volcanoes that form individually as a plate moves over a mantle plume, hot-spot volcanoes that form in lines over a long plume do not have any particular age relationship to each another.Mantle plumes appear to remain nearly stationary. However, the lithospheric plate above a mantle plume continues to drift slowly. So, the volcano on the surface is eventually carried away from the mantle plume. The activity of the volcano stops because it has moved away from the hot spot that supplied it with magma. A new volcano forms, however, at the point on the plate's surface that is now over the mantle plume. Some mantle plumes are long and linear. As magma generated by these plumes rises through cracks in Earth's crust, a line of hotspot volcanoes forms. Unlike volcanoes that form individually as a plate moves over a mantle plume, hot-spot volcanoes that form in lines over a long plume do not have any particular age relationship to each another.
How close should horse manure be stored by body of water?
Horse manure, or any manure from any animals for that fact should not be stored near water, you should keep it at minimum 150 feet away from any water source to prevent contamination.
What is meant by the term cross contamination and how can it be avoided?
Cross contamination means bacteria passing from one place to another and it can be avoided by storing raw food away from cooked food and also cleaning up.
