Answer:
she is running a maintenance to make sure everything works
Explanation:
Material systems developer typically combines the skills of a programmer with the multitasking expectations of developing 3 dimensional models of objects, enhancing the graphical effects.
don't delete my answer this time i try to help ppl
C (dont mind this sentence it is so that i can reach 20 characteristics)
It's B.
As you go up, the air thins out, meaning it is less dense. Since there are less molecules that can transfer heat, the temperature is lower.