Unit 2 4000 essential words in english 4

Factories often e________ harmful gases into the atmosphere, contributing to air pollution.

A p________ is any chemical or biological agent that causes pollution.

Burning fossil fuels releases c________ ________ into the air, which contributes to global warming.

Engineers are working on new technologies that will e________ us to reduce emissions.

After the storm, there was a thick layer of d________ covering the furniture.

To produce flour, you need to g________ the wheat into a fine powder.

Regular exercise and a balanced diet can help h________ your body.

It's important to i________ different teaching methods to cater to all learning styles.

he is one of the l________ scientists in the field of climate change research.

They had to r________ the proposal because it didn't meet the necessary criteria.