Question

Please help I'm soo confused, it's okay if one or two questions are incorrect.. I just need it finished. thank you so much

Answer 1

10. The first one is red, on the spectrum longest to shortest is red, orange, yellow, green, blue and violet 

11. Judging by the diagram I believe its radar, I'm not sure though.

12. Gamma Rays

13. Ultraviolet 

14. Decreases

15. Sound waves

That's all I can answer for now since I have to go but I hope this helped.