Sentence examples for be harmful at extremely from inspiring English sources

These polymers may contain chemical additives and contaminants, including some known endocrine disruptors that may be harmful at extremely low concentrations for marine biota, thus posing potential risks to marine ecosystems, biodiversity and food availability.

Iron deficiency is harmful at all ages.

Salt is extremely caustic, and overuse or misuse can be harmful to many surfaces and plants.

It can be harmful.

It could be harmful".

{drugs can be harmful}.

Vapors can be harmful.

Not all drug-taking is harmful, but trying to stop it has proved extremely so.

"Some island countries [that] have resorted to practices that are harmful to everybody … are themselves not necessarily extremely wealthy".

Some experts say there is not yet convincing proof that extremely low doses of these chemicals are harmful.

"Fever phobia" remains extremely widespread among parents and the vast majority believes that fever is harmful.