You can always sit on the ground and stretch your legs in a pike position, lean in a crescent shape to stretch your back and sides of your torso, roll ankles, and even pull your arms across your body to create a simple stretch.
Answer:
D) your friends all sign up for a free class at the gym and suggest you sign up for it, too.
Gray water is untreated waste water. You might use this water for flushing toilets
Answer:
Turn off the lights of any room you're not in
Use energy saving bulbs
Explanation: