I believe it may be C. Because, the color changing has nothing to do with the reaction you get.
Answer:
okay
Step-by-step explanation:
complementary angles are angles that add up to 90 degrees
so what you would do is take each number that you have and subtract it from 90
In the first one you would
1. take 90-80
2. you get your answer of 10!
i hope this helps :)
Answer:
a cross section is the intersection of a solid and a plane.
Step-by-step explanation:
