Answer:
baking- is a method of cooking food that uses prolonged dry heat, normally in an oven, but also in hot ashes, or on hot stones. The primary source of heat is radiation. Fans within the oven will increase cooking times via convection of the air.
The answer would be c not that sure tho
Answer:Speed of sound in steel is 6510m/s.
Explanation:
Speed, v= frequency,f÷ wavelength
v=?, f= 620, wavelength= 10.5
v= 620× 10.5
= 6510m/s