Answer:
Red apples get their color from anthocyanins. ... When we look at a red apple, it's absorbing colors from the sunlight. It absorbs all the colors of the rainbow—except for red. The red light reflects off the apple and our brain and eyes work together to let us know what color we are seeing.
The reason why it is considered courageous for the musicians to play
"under the open sky" is because they are facing a dangerous situation.
<h3>What is Courage?</h3>
This refers to the quality that means that there is the strength to face fear and do the right thing.
Hence, it is important to note that for someone to display courage, then that means that they are facing threats or fear and need to overcome it.
Please note that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.
Read more about courage here:
brainly.com/question/26489684
I think Mount Elbrus is the highest point in Europe.