A. it changed in size and shape

C. it changed in odor and color

B. it changed in odor and texture

B. the ice cube becomes solid

C. the ice cube will dry

A. the ice cube will melt

B.the water becomes gas

A. the water becomes solid

C. the water becomes liquid

A. alcohol and water will mixed

C. alcohol and water becomes gas

B. alcohol and water will mix completely

C. nothing will happen

A. the mixture will mix completely

B.the mixture will mix partially

B. reusing

A. by composting

C. recycling

B. take medicine

A. disposes waste materials properly

C. throw the waste materials any where in your surroundings

C. Using pesticides in killing insects

A. using eco bag when buying groceries

B.using both sides of paper

B.using paper bags when shopping

C. throwing hospital waste into river

A.throwing garbage in the canal

A. make a compost

B. mix them with the non-decaying

C. throw them in the river

B. Recycle non -biodegradable materials

C. Burn the garbage.

A. Throw garbage anywhere.

C. Keep the waste materials in your kitchen

B. Taste and touch waste materials before disposing them

A. Use gloves or adequate equipment in handling waste materials to prevent puncture by sharp items.

B. burning of plastics

A. changing wood into charcoal for cooking

B. throwing kerosene into river

A. throwing detergents into the sewage

C. cutting of fabric to be made into clothes

B. cutting and shaping lumber into chair

B. clean

A. fresh

C. polluted