Use the drop-down menus to complete the statement about Earth’s magnetism.Earth’s magnetic field is generated in the , which is composed of that is constantly .

Answer: core, iron, churning

Answers

Answer 1
Answer:

Answer:

The Earth's magnetism is generated in the core, which is composed of iron that is constantly churning

Explanation:

Magnetic fields are produced by charges in motion, therefore by currents.

The outer core of the Earth consists mainly of melted iron that is in constant motion. This iron in motion actually acts as a giant current, and therefore it is responsible for the creation of the Earth's magnetic field.

The magnetic field of the Earth is very weak, in fact its magnitude is on average between 25 and 65 microtesla (for comparison, normal magnets can even produce magnetic fields of a few millitesla).

However, its role is very important for the Earth: in fact, it provides a shield that blocks most of the harmful radiation coming from the Sun.

Answer 2
Answer:

Answer:

core, iron, churning

Explanation:


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________ is the ability to see objects at a distance but not things that are close, while _________ is the ability to see close objects but not things that are at a distance.

Answers

Longsightedness and then shortsightedness

Answer:

Farsighted and Nearsighted

Explanation:

What is the difference between mass and weight

Answers

Mass is a property of an object.  It doesn't change, no matter where the object is.

Weight is the gravitational force between two objects.  It depends on the masses
of both objects, and also on the distance between their centers, so it changes,
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What does the atomic number tell us about an atom of a certain element?

Answers

It tells us the number of protons in the nucleus of each atom of that element.

ingrid kicks a football with an initial velocity of 12 m/s at an angle 45 relative to the ground. what is the horizontal component of the initial velocity to the nearest tenth

Answers

Let's assume that the coordinate system is defined as positive in the first quadrant.

The system has its origin in the place where Ingrid kicks the football ball.

We have then that the horizontal component is given by:

Rewriting we have:

Rounding the obtained result we have:

x = 8.5 (m)/(s)

Answer:

The horizontal component of the initial velocity to the nearest tenth is:

x = 8.5 (m)/(s)

is correct answer => 8.5 m/s


Energy of a wave is measured in terms of the wave's ?

Answers

Answer: amplitude

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Energy refers to the speed.So u use the formula speed=wavelength×frequency

What is the volume of a rectangular object with L = 4.00 cm W = 2.00 cm H = 0.50 cm?

Answers

simply plug in these numbers into the Volume formula of a rectangle:
1) V=LWH
2)V=(4.00)(2.00)(0.50)
3)V=4cm^3
V=LWH
L=4
W=2
H=0.5
V=(4)(2)(0.5)
V=4cm^3

4 cubic centimeters