The following table describes some landforms.


Landform Created By Found In
Wind erosion Water or glacial erosion Depositions Deserts Coasts Mountains
A Yes Yes No No Yes No
B Yes No Yes Yes Yes No
C No Yes No No No Yes
D No No No No No No


Which landform is most likely a valley?
Landform A
Landform B
Landform C
Landform D

Answer:

it is 100 degree which is boiling point in water

Answer:

the awsner is d because friction is caused by two objects touching

Answer:

It’s friction that acts when an object is not moving

Explanation:

Answer:

Q=mc∆tita.

490J= m× 0.5J/Kg/C × (18-0°C)

490J= m × 9J/kg

490J

9J/Kg = m.

m= 54.4Kg

Answer:

700N

Explanation:

W=m×g

W=70kg×10N/m

W=700N

Answer:

a)   U = 1.96 10⁵ J, b)  K = 9.675 10³ J

Explanation:

a) the potential energy is

          U = m g h

where zero energy in general takes the floor

let's calculate

          U = 86 9.8 233

          U = 1.96 10⁵ J

b) They ask for kinetic energy and give us the speed of man

          K = ½ m v²

let's calculate

          K = ½ 86 15²

          K = 9.675 10³ J

Answer:

If the Universe holds enough matter, including dark matter, the combined gravitational attraction of everything will gradually halt this expansion and precipitate the ultimate collapse. Over time, galaxies, then individual stars, will smash into each other more frequently, killing off any life on nearby planets.

Answer:b

Explanation:

im in fifth grade so i guessd. gl tho heh.

The answer will be an option C. The momentum would be eliminated for the running back.

The collision in which the object bounces off after the collision is called the elastic collision. The one condition is given in the question that after the collision the running back bounces back and the linebacker stops

A linebacker runs at 3 m/s and collides with a running back running toward him at 3.2m/s. If the running back bounces back and the linebacker stops it means that the collision is elastic. And all the momentum is transferred to the other person.

Therefore the answer will be an option C. The momentum would be eliminated for the running back.

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Answer:

Stronger.

Explanation:

Answer:

1 contact

Explanation:

That is because the wind contacts the waves ang they go high.

Answer:

Their mobile electrons

Explanation:

Answer:

The Sun's layers consist of the following in this order.

1) Corona

2) Transition Region

3) Chromosphere

4) Photosphere

5) Convection Zone

6) Radiative Zone

and last but not least 7) The Core

Hope this helps ;)

Answer:  D

Explanation:

Answer:

Snow

Explanation:

Precipitation is the formation of a solid after being a liquid. Snow, which is a solid, forms from water, a liquid.

Soln_

T = 1 hrs × 15 mils

=60 × 15

=900 ans#

Answer:

Direction

Explanation: Hope this helps!

Answer:

nvm its direction :))

Explanation:

Speed and velocity both represent a way to measure the change in position of an object relative to time. In fact, for a straight line motion, the speed and velocity of an object are the same (since distance and displacement will be the same). Speed and velocity are measured in the same units: meters per second or m/s.

Velocity is a measure of both speed and direction of motion. Velocity is a vector, which is a measurement that includes both size and direction. Velocity can be represented by an arrow, with the length of the arrow representing speed and the way the arrow points representing direction.

ANSWER :

Complete answer:

The resonance happens when the frequency of the vibration of one body matches with the frequency of vibration of another body. ... So, the loud music causes the air particles to vibrate and when we stand close to the source of loud music, it causes resonance and hence we feel our body shake or vibrate.

Answer:

i don`t get it

Explanation:

Answer:

90 degree hope it help :))

Answer:

I think 87 degree

Answer:

Conservation principles tell us that some quantity, quality, or aspect remains constant through change.

Explanation:

Answer:

a) 1.875 volts

b) 5.86 W

Explanation:

Given data:

transmission line resistance = 0.30/cable

power of the generator = 250 kW

if Vt = 80 kV

a) Determine the decrease V along the transmission line

Rms current in cable = P / Vt = 250 / 80 = 3.125 amps

hence the rms voltage drop ( Δrmsvoltage )

Δrmsvoltage = Irms* R  = 3.125 * 2 * 0.30 = 1.875 volts

b) Determine the rate Pd at which energy is dissipated in line as thermal energy

Pd = [tex]I^2rms*R[/tex]

    =  3.125^2 * 2* 0.30  = 5.86 W

Answer: The fork feels colder when you touch it because Steel conducts thermal energy better than plastic. The correct statement is 1

Explanation:

The ability of a material to transfer heat energy in an environment is known as thermal conductivity. It feels cooler to touch a steel spoon than a plastic spoon found in the same temperature because steel which is a type of metal is a highly efficient thermal conductor than spoon which is a plastic.

Metals can be defined as those substances which forms positive ion in a chemical reaction by lossing it's electrons. It has the following properties:

--> it is solid at room temperature

--> it has high melting point

--> it has high boiling point and

--> it is malleable.

Metals are said to be good thermal conductor because they contain free flowing conduction electrons. Therefore, when you touch a steel spoon and plastic spoon, it feels cooler because the steel metal is able to conduct heat away from your hand faster than the plastic which is a poor conductor of heat.

Answer:

1. Steel conducts thermal energy better than plastic.

Explanation:

Both objects are at the same temperature, and when you touch them, you feel the steel to be colder.

This happens because steel is a better thermal conductor, then when you touch it, it "steals" more thermal energy from you than the plastic.

As the amount of thermal energy transmitted is greater for the steel, you will feel it to be colder.

Then the correct option is the first one, steel conducts thermal energy better than plastic.

Causes of Earthquake

An earthquake is caused by a sudden slip on a fault. The tectonic plates are always slowly moving, but they get stuck at their edges due to friction.

Five causes of earthquake?

1. Volcanic Eruptions. The main cause of the earthquake is volcanic eruptions.

2. Tectonic Movements. The surface of the earth consists of some plates, comprising of the upper mantle

3. Geological Faults

4. Groundwater extraction – decrease in pore pressure.

5. Groundwater – increase in pore pressure.

6. Heavy rain.

7. Pore fluid flow.

8. High CO2 pressure.

9. Building dams.

Explanation:

Now, Boundaries between tectonic plates are made up of faults. which are associated with the various types of fault, normal, reverse and strike-slip faults

More so, Plate boundaries are always faults, but not all faults are plate boundaries.

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Answer:

B

Good luck! Have a great day!

Answer:

its b

Explanation:

Option b shows the correct hierarchical sequence of the cellular organization. Starting from cell ► tissues ► organs ► organ systems.

Cellular organization in a living system is the organization level from the primary unit of life that is cell to the organ system in a the body. Cells are the basic unit of cellular organization.

Cells contains the nucleus in which  the genetic material DNAs are located. Cells joints together to form tissues and tissues of similar functions joints together to form organs.

A group of organs connects together to form organs systems to perform specific functions. Different organ system build the whole body. Therefore, the correct sequence is option B.

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Answer:

C

Explanation:

I think that's it. dont know if that's rogue

Answer:

c

Explanation:

i dont know

just felt

Answer:

Particle A: K.E = 38.3 J

Particle B: K.E = 7.67 J

Explanation:

Given that Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, free of the spring. The mass of A is 5.00 times the mass of B, and the energy stored in the spring was 46 J. Assume that the spring has negligible mass and that all its stored energy is transferred to the particles. Once that transfer is complete, what are the kinetic energies of each particle?

The total kinetic energy of Particle A and particle B should be equal to 46 J

Since the mass of A is 5.00 times the mass of B, then, the K.E energy of each particle can be calculated by using ratio.

5 + 1 = 6

K.E for particle A

5 /6 × 46 = 230 / 6 = 38.3 J

K.E for particle B

1/6 × 46 = 46 / 6 = 7.67 J

the answer is  A

average speed

Answer: Kinetic Energy

Explanation: