Prepare for competitive exams with Environmental Science MCQs covering key topics such as climate change, pollution, sustainability, ecosystems, and resource management. Ideal for CSS, FPSC, PPSC, SPSC, KKPSC, and BPSC exam preparation

When frost forms:

A. When on outside surface cools past the dew point

B. water vapors changes into ice without becoming liquid

C. Below the dew point

D. All of above