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The purpose the pushpins serve in this investigation is ti act as Focal Length.
even when they are very different in the purpose they serve, they will both help you surviving outdoors.
friction, heat, ... any form of energy (work) it produces, that doesn't serve the main purpose of the machine.
The "water model" for electricity is very useful, hang on to it in the back of your mind; it will serve you well. Charge is the reservoir in this model.
above vi std players are used volleyball serve
because it is
yes
No they just kill people.
They create new landforms and mabye some useful minerals.
No Because Volcanic Eroutions Dont Servre any useful purposes because the are mostley underground
A screw driver is used to screw, screws into wood it is a very useful tool.
Occasionally, perhaps, but PowerPoint would serve no useful purpose in a medical office.
A basketball reference serves the purpose of comparing basketball statistics. It is useful as a database that can be used for looking up a variety of statistics.
No, swords are strictly ceremonial. They are so outdated as a weapon, they serve no useful purpose in combat.
The heat and light we receive from the sun is radiant energy, as is the light we obtain from light bulbs.
It is useful because it keeps the eyes moist and prevent is from getting to dry. It also protects the eyes from debris, dust, etc. The eyelashes also serve a useful purpose; they catch anything in the air that could be harmful to the eye (therefore big enough to actually get caught).
Vestigial refers to something that is no longer needed or useful. Our appendixes are an example of a vestigial organ-they serve no biological purpose