YLC6_MIDTERM_VOCABULARY

I found these _____ last week. These rocks look old.

• solar flares

• auroras

• fossils

• researchers

These are dinosaur _____.

• bones

• researchers

• archaeologists

• scientists

We cannot underestimate the _____ change.

• global

• food

• climate

Do you think desert _____ is a big issue?

• rise

• expansion

• increase

They just post photos on _____, such as Facebook or Twitter.

• social media

• video chat

• stream

• digital

You can use _____ and see people in different country.

• social media

• digital

• video chat

• stream

This is a _____ camera.

• stream

• digital

You can use your phones to _____.

• digital

• send emails or texts