14) Which disposal method of waste save lot of energy?

Land fill

Recycling

Incineration

Composting

Answer is:

Recycling

Schafer's method

Mouth to mouth method

Mouth to nose method

Nelson's arm-lift back pressure method

Answer is:

Electrical hazard

Biological hazard

Physiological hazard

Psychological hazard

Answer is:

Explanation:

Biological hazards under occupational health hazards are
*Bacteria
*Virus
*Fungi
*Plant pest
*Infection

Gets pain in spinal guard

Mouth will be closed tightly

Heavy swelling on his stomach

Appears blue colour around his lips

Answer is:

Applying ointment

Keep the injured portion upward

Covering the wound portion by dressing

Applying pressure over the injured portion

Answer is:

Explanation:

Applying pressure over the injured portion is the first aid to be given to stop the bleeding of the victim.