What do you write for “introduction” in a biology lab report?

Start by introducing your topic. What are you learning about? How will it impact your life or the lives of others? Give some context, or background information, to your audience if it is an uncommon topic. Try not to explain anything about your experiment or the data that you collected. Share what you were trying to find out, what your problem was. Conclude it by introducing how you started to research.

You write about what you are going to write about. Discuss your topic, what you are bound to read about in your report.

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.

the answer is definitely a