This sentence talks about things that are generally true
This sentences talks about things that are generally true
How does Jay Gifford use the internet?
This sentence talks about a possible future situation
Why does he think modern technology is important for explorers?
Sites like Facebook and Twitter also help if we have a problem.
When explorers arrive in a new place, they log on to their social networking site.
If the weather is this good for the next few days, the expedition will go well.
You can find the answer to problems quickly and easily, which can help you make decisions and save lives.
He posts messages on social networking sites.
