A topic list is a list of important content and material which will be covered on a test.   Please select the best answer from the choices provided T or F

Reducing CO2 emission to maximum extent and saving energy

The present energy policy of UK is set out in the Energy White Paper of May 2007 and Low Carbon Transition Plan of July 2009. It was led by the Department of Energy and Climate Change, and after that headed by Amber Rudd. The current focus of policy are on the reformation of electricity market, rolling out smart meters and improving the energy efficiency of the UK building stock through the Green Deal in which CO2 emission is on top priority.

Answer: Strong Nuclear Force is responsible for making fusion possible in the sun .

Explanation:

Fusion reaction is basically the result of the interplay of two opposing forces

1. Attractive Strong Nuclear Force

2. Repulsive coulomb force

Strong nuclear force is a short range force while its magnitude is much greater than the coulomb force . When two nuclei approach each other coulomb force of repulsion between the nuclei (proton-proton repulsion) acts between the nuclei but due high speed as the nuclei come closer strong nuclear force of attraction come into play which has magnitude much more larger than the coulomb force .

             The strong force grows rapidly once the nuclei are close enough, and the fusing nucleons can essentially "fall" into each other and the result is fusion and net energy produced. Thus it is the presence of Strong Nuclear Force which makes the fusion possible .

Light waves entering the eye first pass through the cornea, then through the pupil, and finally through the lens, before being focused onto the retina.

As light waves enter the eye, they pass through three main structures before reaching the retina where they are detected by photoreceptor cells. The first structure light encounters is the cornea, which is a transparent layer at the front of the eye. After the cornea, light travels through the pupil, which is the opening in the center of the iris that can adjust in size to control the amount of light entering the eye. Finally, light passes through the lens, which focuses the light waves onto the retina. The cornea and the lens are responsible for most of the eye's refractive power, ensuring images are sharply focused.

The hint in this problem is in the word "about" or approximately how many pounds.

So we could find the solution by estimation through rounding off.

We know that almonds cost about 3.50 per pound and a bag costs about $7.00.

Dividing 7 by 3.50 per pound, will give us $7 ÷ $3.50 = 2 pounds.

The answer is 2 pounds.

Answer:2 pounds of almonds are in the bag.

Explanation:

According to question ,pounds of almonds in $3.49 = 1 pound

Then pound of almond for $1 = [tex]\frac{1}{3.49} pounds[/tex]

Pounds of almond which cost $6.95:

[tex]\frac{1}{3.49}\times 6.95 pounds=1.9914 pounds\approx 2 pounds[/tex]

2 pounds of almonds are in the bag.

Answer:

readily accept electron flow."

Explanation:

As we know that electric current is defined as rate of flow of electric charge which is basically due to flow of electrons

So here we can say that

[tex]i = \frac{dq}{dt}[/tex]

now we know that conductors are defined as good conductors when they do not resist the flow of charge

which means a good conductor will easily conduct the electric current through it.

So here correct answer will be

readily accept electron flow."

The acceleration of gravity on the surface of a planet can be calculated using the mass and the radius of the planet. In this case, the question asks for the acceleration of gravity on Jupiter's surface, given the mass and radius of a moon on Jupiter relative to the earth. A formula is provided to calculate the acceleration of gravity on Jupiter's surface using the known mass and radius of the earth.

The acceleration of gravity on the surface of a planet is directly proportional to its mass and inversely proportional to the square of its radius. In this case, the moon on Jupiter has 1/8 the mass of the earth and 1/2 the radius. Therefore, the acceleration of gravity on Jupiter's surface can be calculated as follows:

Acceleration of gravity on Jupiter's surface = (Mass of Jupiter) / (Radius of Jupiter)^2

Since the mass of the moon is 1/8 the mass of the earth and the radius is 1/2 the radius of the earth, we can substitute these values into the equation:

Acceleration of gravity on Jupiter's surface = (1/8 * Mass of Earth) / (1/2 * Radius of Earth)^2

Simplifying the equation gives:

Acceleration of gravity on Jupiter's surface = (1/8 * Mass of Earth) / (1/4 * Radius of Earth)^2

Assuming the mass and radius of the earth are known, you can substitute the values and calculate the acceleration of gravity on Jupiter's surface.

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I know this question is from 2017 but I am doing this for anyone else that is looking for a answer. The answer should be C.) Allowed psychology to be considered a science.

Answer: The correct answer is "The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment".

Explanation:

Permanent magnet: Bar magnet is the example of the permanent magnet.

The poles of the temporary magnet can not be changed. The strength of the magnetic field can not be increased or decreased. The domains of the permanent are permanent aligned.

Temporary magnet: Electromagnet is the example of the temporary magnet.

The poles of the temporary magnet can be changed. The strength of the magnetic field can be increased or decreased. If the current will not flow in the electromagnet then it will easily loose its magnetism. The domains in a temporary magnet easily loose alignment.

Therefore, the correct difference between a permanent and a temporary magnet is "The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment".

Answer:

B. The time for both of the balls to reach the ground was the same.

Explanation:

Galileo showed that objects fall at the same time regardless of their weight, it is a matter of their resistance to air that arrives or not before. In a system where there is no air and therefore no friction, the objects fall at the same time and that has been demonstrated many times.

Oceanic, Crust, Geolific, techtonic are the four layers of oceanic crust from top to bottom.

Oceanic crust is nothing but the part of the Earth's crust which makes up the seafloor which is  thinner, denser, and simpler in structure than the continental crust; it is  younger, on average; from its birth at a mid-ocean ridge to its end at a subduction zone.

The oceanic crust fragments are sometimes become stranded high and dry on top of a continent; both Continental Crust together  constitute the Earth Crust, yet they are completely distinct in composition, thickness and geological history.

The Oceanic Crust exists at the bottom of all Oceans, filling the spaces between the portions of Continental Crust, its density and thickness, plunges below the edge of the continental plate into the subduction zones.

This causes formation of  a new ocean plate to accommodate displacement of continents and replace the plate that is destroyed by subduction.

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Answer: C Tectonic Plates

Explanation:

Answer:

C. Tectonic plates.

Explanation:

The series given in the question is mantle...convection...volcano...cooling...crust..motion and then tectonic plate is next.

here the process started in mantle where hot lava was moving and due to convection, this molten lava came on the the surface in the form of volcano and cooled down and rocky crust was formed and the moving crust is known as tectonic plates.

Answer:

crankshaft

Explanation:

it is the CRANKSHAFT because this is what goes around