Question

1. Thermos flask keeps hot liquid hot and cold liquid cold by
a.Coolingb. Heating c.Preventing heat loss d.Using coolant

2. Heat of sun reaches to earth by
a.Conduction b.Convection c.Radiation d. Through air.

3.Ventilation in room is due to
a.Conduction
b.Convection
c. Radiation
d. Both radiation and conduction

4.10°C is equal to
a173 K
b.273 K
c.283 K
d.183 K​

Answer 1

Answer:

Explanation: hi