One reason it was a health threat is it caused teeth to become ground down which would then lead to infections. The same was true with their eyes and lungs, sand would be blown into their eyes or inhaled into their lungs and then could cause infections.
The kind of memory that's illustrated by Rachel is known as mood-congruent memory.
<h3>What is mood congruent memory?</h3>
Mood congruent memory simply states that happy people will always remember happy moments and likewise sad people.
In this case, since Rachel gets blue, she immediately is flooded with thoughts of failed relationships and missed chances, this memory is illustrated.
Learn more about memory on:
brainly.com/question/25040884
To identify the content of the training is A.Operations
Answer: -Some (but not all) plant cells - mostly those in the middle of leaves - have chloroplasts - green structures which contain the pigment chlorophyll. This absorbs light energy which is then used in photosynthesis to make sugars.
Explanation: