What was the main reason for Columbia University to hold classes virtually?

• Because of Pro Palestinian protests

• Due to a power outage

• Due to a pandemic

• For a holiday

Who did the students at Columbia University protest against?

• Campus security measures

• Local government policies

• US involvement in Israel's actions

• The university's food service

What was a major concern among Jewish students at Columbia University?

• High tuition fees

• Lack of study spaces

• Feeling unsafe due to protests

• Food quality in the cafeteria

What is NOT considered space debris?

• Inactive satellites

• Astronaut tools

• Working satellites

• Rocket fragments

How much garbage did NASA throw out from the space station in 2021?

• 10,000 lb

• 5,800 lb

• 2,500 lb

• 1,000 lb

What did NASA expect would happen to the trash thrown out from the space station?

• It would orbit Earth forever

• It would be collected by another spacecraft

• It would land in the ocean

• It would burn up upon re-entry

What did Amsterdam do to reduce tourism?

• Increased taxes for tourists

• Banned all flights

• Stopped building new hotels

• Closed all hotels

What will the wildlife crossing in Los Angeles help?

• Connect two universities

• Provide safe crossing for animals

• Reduce traffic

• Increase tourism

What organization is constructing the wildlife crossing?

• The Wildlife Conservation Society

• The National Park Service

• The Los Angeles Zoo

• The California Department of Transportation

Why did Amsterdam stop the building of new hotels?

• To reduce city noise

• To combat over tourism

• To encourage camping

• To save energy