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Did You Know?

Where might electronic plant tattoos be useful?
Scientists invented tiny electronic tattoos for plants to help tell when they are thirsty.
What cool things can Gemini 3.1 do in your browser?
Gemini 3.1 can help you plan trips and write emails without leaving your page!
How many times has Finland been named the happiest country?
Finland has been named the happiest country in the world for a record nine times!
What types of seabirds were rescued by Wellington Zoo after the storm?
Wellington Zoo rescued albatrosses, petrels, and penguins after a storm!
What unusual talent did contestants show at the seagull screeching championship?
Contestants tried to mimic the loud cry of seagulls!
What special celebration does PokéPark Kanto mark?
PokéPark Kanto celebrates 30 years of Pokémon since it began!
What amazing score did Ronnie O'Sullivan achieve in snooker history?
Ronnie O'Sullivan scored a record-breaking 153 in snooker!
What new rule could lead to a red card at the World Cup?
Players could get a red card for covering their mouths while talking to opponents!
How many fans cheered for the Warriors during their season opener?
More than 24,000 fans cheered for the Warriors at their home game!
What important resource travels through the Strait of Hormuz?
About one-fifth of the world's oil and gas shipments go through the Strait of Hormuz!

SMART Prep | Quick Question 210189

A student places a piece of limestone outside in a school garden for several months. After repeated rain and wind, the rock becomes smaller and its edges are smoother. What process is the student observing?

Vocabulary

  • excavator A large machine used for digging. The excavator dug a big hole in the ground.
  • competition A contest where people try to win. She entered the baking competition to show her skills.
  • tasks Jobs or activities to be done. His tasks included cleaning his room and doing homework.