Which sentence uses the word ecosystems correctly? We are installing new ecosystems to regulate humidity.

Our ecosystems broke down during the heatwave.

Our ecosystems are supported by renewable solar energy.

The local ecosystems were destroyed by the toxic spills.

D. The local ecosystems were destroyed by the toxic spills.

Explanation:

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.

i would say the correct answer is not concrete.