Last week, the question was: What is this weed?
This is common lambsquarters. This is a weed that can be very common in disturbed areas. Lambsquarters is not an overly aggressive weed like pigweed, but can produce stands thick enough to smother crops if left unchecked. Control options vary per crop. for more information, take a look at this page.
Here is this week’s question: What is wrong with this peanut leaf?