Question

which excerpt from a lab report is more formal? this experiment focused on the energy requirements of the human body. this is an experiment where we looked at how the body needs lots of energy.

Explanation:

The first sentence uses more formal language. "Focused on" is a more academic and formal verb choice compared to "looked at". "Energy requirements" is a more precise and formal term than "needs lots of energy". Also, the first sentence is more concise and to - the - point in a scientific reporting style.

Answer:

The first excerpt: "This experiment focused on the energy requirements of the human body."