Answer:
Sunlight
Explanation:
The main colors used were red, black, blue , gold and green, so that they could withstand strong sunlight without fading
Answer:
Explanation: The main idea of the article is that training our resilience makes us able to overcome these problems and makes us a much better person, giving us the strength to progress.
Answer:
swarm robots
Explanation:
They aren't really used that much mechanically, but are the only ones I could picture.
i believe the answer is a but it also might be b
