Don't let heat escape from your house for a long period of time
You can clean or replace filters in your house
you can cover ur pots while cooking
Take a shower instead of bath
Use less hot water
These are some that I thougth of
I would like to guess the answer is distilled water but I'm not positive
Th correct answer is letter A. Echo sounding is very useful for depth profiles where SONAR is used to determine the depth of water through the transmission of sound pulses. It is calculated by checking the interval between the mission and the pulse that is recorded within the SONAR device.
