What would happen if every human suddenly disappeared? - Dan Kwartler

Important Vocabulary Words From The Video


Deltas are a type of river delta. A delta is a large area of land that is surrounded by water. Deltas are usually found in coastal areas.

  • The delta has a lot of salt in it, which is why it's salty.
  • The delta is a important part of the ecosystem because it helps to distribute water throughout the area.

Unsurprising is something that is not very surprising. When you say that something is unsurprising, you mean that you expected it to happen.

  • The news of the earthquake was unsurprising, because we've been predicting this for years.
  • It's unsurprising that the team lost, because they have been losing for years.

When something sags, it droops or hangs down. The fabric on the shirt sagged after the weight was taken off of it.

  • The dress had been worn many times, and it had begun to sag in the middle.
  • The flag on the pole sagged after being blown by the wind.

To rot is to decay and to turn into something decomposable. When something rots, it starts to break down and lose its nutrients.

  • The vegetables in the garden are rotting because they are not getting enough sunlight.
  • The tree in the garden is rotting because the soil is not rich enough.

Overgrow is to grow too much. When you overgrow a plant, it becomes too big and difficult to control.

  • The overgrown plants were getting in the way of the path.
  • The overgrown plants were taking up too much space.

To plummet is to fall quickly and dramatically. When the stock market plunges, the prices of the stocks go down very quickly.

  • The stock market plummeted after the news hit the market.
  • The plummets in the stock market have caused a lot of people to lose a lot of money.

To say that something is a dooms is to say that it is a very bad thing. This word is often used to describe the situation in which the world is going to end.

  • The doomsayers were right, the world is ending soon.
  • The doomsayers were wrong, the world is still going to end.

Mosquitoes are small, flying insects that live in warm climates. They are known for the diseases that they can spread to humans.

  • The mosquitos are attracted to the smell of sweat.
  • The mosquitos are attracted to the smell of blood.

Unyielding is adjective that describes something that is not willing to change or to accept a compromise. The weather is unyielding, and it will not rain until the weatherman says that it's okay to do so.

  • The unyielding ground prevented the army from advancing.
  • The unyielding attitude of the teacher made it very difficult for the students to learn.