This report still needs revision.

He spent hours at the coffee shop to revise his essay.

He set fire to the forest.

We need to analyze this data.

I am solving integration problems in math class.

I am responsible for the contents of this document.

I learned how to calculate definite integrals in math class.

The calculation of the antiderivative is a fundamental part of calculus.

Analytical chemistry is a science for clarifying the components and structure of substances.

We conducted a meta-analysis on this issue.