• # question_answer Consider the following statements and state which are correct? 1. The rate of temperature decrease in the atmosphere with increasing altitude is known as lapse-rate. 2. The amount of heat energy expended in changing the state or phase of a body, without raising its temperature is known as 'latent heat'. Codes: A)   Both 1 and 2 are correct B)  Both 1 and 2 are incorrect C)  Only 1 is correct D)  Only 2 is correct

[a] Normal lapse rate is $6.5{}^\circ C$per km of ascent.