A direct result of having greenhouse gases in the atmosphere would be energy from the sun trapping its self within the earth's atmosphere and ground, producing a lot of heat in the process since it cannot escape, making some temperatures rise substantially in some regions. However, another direct result would be plant growth. Greenhouse gasses are made of carbon dioxide, or CO2, and plants cannot live without carbon dioxide. It also causes a significant amount of water vapor which provides more rain as a direct result like it does carbon dioxide, which makes our planet healthier and able to survive easier.
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Answer:
4. Becomes softer as temperature rises
Explanation:
An amorphous solid is any noncrystalline solid in which the atoms and molecules are not organized in a definite lattice pattern. Such solids include glass, plastic, and gel. Solids and liquids are both forms of condensed matter; both are composed of atoms in close proximity to each other.
Friction always acts opposite to the motion.<em> (B)</em>
The reason why there is a difference between free-fall acceleration is a centrifugal force.
I attached a diagram that shows how this force aligns with the force of gravity.
From the diagram we can see that:
Where g' is the free-fall acceleration when there is no centrifugal force, r is the radius of the planet, and w is angular frequency of planet's rotation.
is the latitude.
We can calculate g' and wr^2 from the given conditions in the problem.
Our final equation is:
Colatitude is:
The answer is:
Answer:
A. a motor
Explanation:
A motor is an electrical device or machine that converts electrical energy into mechanical energy. That is, a motor takes electrical energy to produce motion. There are different types of motors such as DC motor, induction motor and so on.
When electrical current flows through a coil, a magnetic flux is been produced, therefore when a rotating power source is supplied to coil of a motor, a magnetic field is produced which causes torque.
