What are the classification of matter and examples?

What are the classification of matter and examples? Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule. […]

Should I put my water heater on a timer?

Should I put my water heater on a timer? A water heater timer can save you money on both your electricity and water bills. For example, if your utility company charges more in the morning or the evening, a timer for your water heater will help reduce the cost per kilowatt of usage. Should I […]

What are the uses and importance of sound?

What are the uses and importance of sound? Sound is important because it engages audiences: it helps deliver information, it increases the production value, it evokes emotional responses, it emphasises what’s on the screen and is used to indicate mood. When put to good use, language, sound effects, music, and even silence, can elevate your […]

What is a low center of gravity?

What is a low center of gravity? The lower your center of gravity, the easier it is to keep your balance. If you’re sitting on a chair, you can lean over more than if you’re standing up. With your center of gravity low, you can lean further to one side or the other without creating […]

How long before cancer is cured?

How long before cancer is cured? If you remain in complete remission for 5 years or more, some doctors may say that you are cured. Still, some cancer cells can remain in your body for many years after treatment. These cells may cause the cancer to come back one day. For cancers that return, most […]

Which is equal to 0.0079 in scientific notation?

Which is equal to 0.0079 in scientific notation? Therefore, the decimal number 0.0079 written in scientific notation is 7.9 × 10-3 and it has 2 significant figures. What is the scientific notation for 140000000? Why is 140,000 written as 1.4 x 105 in scientific notation? How do you write 0.72 in scientific notation? Therefore, the […]

At what point is acceleration the greatest?

At what point is acceleration the greatest? Neglecting air resistance for the moment, the remaining force is that of gravity which is always g and directed downward. So the acceleration at the highest point is the same as at launch time, i.e. -9.8 meters/sec2 in the vertical direction. What is the acceleration just before it […]

What are the three basic types of bridges?

What are the three basic types of bridges? Bridges can be found in a variety of shapes, but 3 basic designs rule the day; beam, arch, and suspension. What are the main parts of a bridge? The main components of a bridge are the foundation, substructure, and the superstructure. Each of these core areas have […]

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