The tourists left a lot of _______________ on the beach. The locals spent days cleaning up empty bottles and food wrappers.

With increased marine travel, countries like Thailand are facing the problem of _______________________ sea water.

I haven't been able to play tennis lately, because of my ___________________. I'm working long hours and have a long list of things to do.

TikTok ___________________________ earlier this year. The app has become extremely popular, in part due to the pandemic lockdown.

As the pace of _________________ picked up, the area of land covered by dense forest declined considerably.

Essentially , soil erosion is the key causing rocky ____________.

These chemicals have a _______________ impact on the environment.

Sunshine and water are ____________ to living things.

This process of constructing ____________ environments on Mars can be begun at once.

They tried to beat the sudden _____________ in land values.

Getting____________for the environmental project was far from straightforward.