Which option correctly answers: what does recycling do?

✅ D. Salt

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✅ C. Using efficient appliances and switching off unused devices

a: Leaving every light on | b: Opening a refrigerator door for long periods | c: Using efficient appliances and switching off unused devices | d: Blocking ventilation filters Read more

✅ C. Solar energy

a: Natural gas | b: Coal | c: Solar energy | d: Petroleum Read more

✅ C. Gums

✅ C. Processes materials so they can be used again

a: Creates new raw materials from nothing | b: Always turns waste into fuel | c: Processes materials so they can be used again | d: Prevents all waste automatically Read more

✅ A. Convex

✅ C. Red blood cells

a: Platelets | b: Plasma proteins | c: Red blood cells | d: White blood cells Read more