The intensity of a sound wave is proportional to its A) ...

[jazziefee]

The intensity of a sound wave is proportional to its
 
  A) wavelength.
  B) decibel level.
  C) power.
  D) Doppler shift.

Question 2

Compared to today, in the future, the Sun's habitable zone will be
 
  A) wider and closer to the Sun
  B) narrower and closer to the Sun
  C) narrower and farther from the Sun
  D) wider and farther from the Sun

[nicoleclaire22]

Answer to Question 1

C

Answer to Question 2

D

[jazziefee]

Wow, this really help

[vickybb89]

Thanks for the timely response, appreciate it