Rewrite these sentences using past participle clauses

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. If farm animals are not kept cool in hot weather, they can suffer from heat stress.
, farm animals can suffer from heat stress.

2. Some farmers were worried about the consequences of deforestation, so they stopped burning trees to create farmland.
, some farmers stopped burning trees to create farmland.

3. If carbon dioxide is produced in huge amounts, it causes air pollution and climate change.
, carbon dioxide causes air pollution and climate change.