What is true about all words with the root "aer" is:
D. They relate to air.
- The root "aer", which is used as a prefix in several words, comes from the Greek language.
- "Aer" means air, but it can also refer to oxygen or the atmosphere in general.
- All words that use this root will have a meaning related to air. Take a look at the examples below:
- - aerobic - relating to the presence of oxygen, especially organisms that need it for respiration;
- - aerometer - equipment designed to measure the weight and density of air;
- - aeronautics - the science concerned with traveling by air.
- With the information above in mind, we can choose letter D as the best option. All words with the root "aer" are related to air.
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