Critique of Descartes' Argument

I need a philosophy argument essay critiquing Descartes in "Meditations on First Philosophy". And you have to use the PDF to make the essay. You can't research anything else everything has to come from the PDF if you want to understand and cite for this essay.

Focus on:
- one of Descartes premises

Requirements:
- The ability to read and understand what Descartes is saying in the PDF
- Strong critical thinking skills
- Clear, logical writing

Ideal Skills:
- Philosophy background
- Philosophy Argumentative essay experience