Im guessing the answer is a because sometimes the air quality is not good for you to in hale
The one that would explain the evolution of that species is sm
Weathering will be the correct answer to the question you have asked.
Answer:
Rephrase rather than repeat, if the person doesn't understand what you're saying. Use non-verbal communication to help (eg pointing at a picture of someone you are talking about). If the person becomes tired easily, it may be better to opt for short, regular conversations.
Explanation: