Fill in the blanks 1. Height of the …………….. fitted in the f

1.	Fill in the blanks 1. Height of the …………….. fitted in the factories should be more than that of the residential accommodation. 2. Water of the ……………… is best for drinking if it is not heavy and acidic. 3. Light should reach the students from their ……………. side. 4. Ventilators let out the and windows let in the ……………
Answer» 1. Chimneys 2. Hand pump 3. Left 4. Carbon dioxide, Oxygen

Fill in the blanks 1. Height of the …………….. fitted in the factories should be more than that of the residential accommodation. 2. Water of the ……………… is best for drinking if it is not heavy and acidic. 3. Light should reach the students from their ……………. side. 4. Ventilators let out the and windows let in the ……………

Answer»

1. Chimneys

2. Hand pump

3. Left

4. Carbon dioxide, Oxygen