First degree burn : epidermis : : second degree burn : _______

1 degree = ______ rad

What is degree ? Express 1 radian in degree.

The differential equation whose solution is A x^2+B y^2=1 , where A and B are arbitrary constants, is of (a) second order and second degree (b) first order and second degree (c) first order and first degree (d) second order and first degree

Find the value of tan 7 degree tan 23 degree tan 60 degree tan 67 degree tan 83 degree.

What is the cause for heart burn ?

One Celsius degree is an interval of 1 K and zero degree Celsius is 273.15 K.