Kunci Jawaban Bahasa Inggris Kelas 11 SMA Halaman 107 108, Kurikulum Merdeka C. Let's Practice

Immediately after the wings are dry, inflate and strong, the wings will open and close several times and the butterfly will attempt to fly.

How Tsunamis are Formed

Tsunami is a natural disaster caused by the increasing waves of the sea to land with a high swiftness as the consequence of the quake which is centred under the ocean.

The quake can be caused by land erosion, sifted plate, an erupted volcano as well as a meteoroid that falls in the ocean.

Tsunami usually happens if the size of the earthquake exceeds until 7 on the Richter scale.

This tsunami is quite dangerous, mainly for those who live around the beach.

With great force, it will sweep out whatever around it. From all causes of the tsunami, the earthquake is the major cause.

An earthquake on the bottom of the sea gives rise to an affliction of the seawater that caused by the change of the profile of the ocean floor.

Even though the movement of the ground is horizontal, but the energy of the earthquake is big, and it can cause the collapse of cliffs or hill on the sea.

Although there is no earthquake, the condition of a cliff and hill in the sea has been unstable and because of the force of gravity and ocean currents that led to landslides, it causes the tsunami.

Earthquake causes perpendicular layers motion of the earth. As a result, the sea bottom is suddenly up and down, similarly with cosmic objects or meteors that fall from above.

If the size of a meteor or landslide is quite big, megatsunami can happen with hundreds of meters high.

The occurrence of energy flow of seawater on the beach become large waves so that tsunami happens.

Billows can spread to all directions. The energy which conceives in the wave of the tsunami is fixed on the function of the altitude.

The height of waves in the sea is only about 1 meter. Thus, the rate of a wave cannot be felt by a ship that was in the middle of the sea.

When it approaches the coast, the speed of the tsunami of decline until about 30 miles per hour, but its height has increased to reach tens of meters.

When it reaches the coast, tsunami enters the land until hundreds of meters, even kilometres.

The victim of the tsunami is not a little. The casualties are hit by sluggish water flow and material that carried away by the tsunami.

Besides the victim, the tsunami also has a negative impact on the building, herbs, and pollution on agricultural land, and water.

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(TribunTrends.com/TribunBali)