Answer:
The greenhouse effect is a natural process that warms the Earth’s surface.
Explanation:
Solar radiation heats Earth surface. When solar radiation reaches to Earth a certain level of radiation is being absorbed by Earth and rest of the radiation is being reflected to space. But because of greenhouse gasses (such as water vapour, carbon dioxide, methane, nitrous oxide, ozone and some artificial chemicals such as chlorofluorocarbons) that exist in Earth atmosphere reflected radiation is being absorbed by atmosphere. If greenhouse gasses percentages raises into Earth atmosphere, the more radiation will be absorbed. Therefore, heat level of Earth is going to be raised.
The moon surface is
visible to an observer on earth due to the gravitational force that attracts
the moon to the earth. The more massive the body is, the more the smaller body
is attracted to the larger body. We can only see the side of the moon due to
the speed at which the moon rotates.
Answer:
is it conduction because in that case it would be
Explanation:
the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
<h3><u>Answer;</u></h3>
A. If two in-phase waves arrive simultaneously at a point, their amplitudes add up.
<h3><u>Explanation;</u></h3>
- <u>According to the principle of superposition, when two waves of the same kind meet at a point in space, the resultant displacement at that point is the vector sum of the displacements that the two waves would separately produce at that point.</u>
- Interference involves the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.
- Interference may be constructive or destructive; Constructive interference occurs when two or more waves arrive at the screen in phase with each other, such that the amplitude of the resultant wave is the sum of the amplitude of the individual waves.
- Destructive interference occurs when two or more waves arrive out of phase with each other and resultant wave has minimum amplitude.
Answer: 19 s
Explanation:
The relationship between speed, distance and time is given by:
velocity= distance/time
time= distance/velocity= 323 m/17 m/s= 19 s
