Which of the following statements about food freezing methods are correct? (Select all that apply)
Blast freezing is typically slower than still air freezing
Still air freezing is the preferred method for high-value, delicate food products
Cryogenic freezing often results in higher quality compared to conventional freezing methods
Cryogenic freezing is generally more energy-efficient and less expensive overall
Cryogenic freezing usually employs liquefied gases such as nitrogen