during an investigation, a student used a stirring rod to stir a solid precipitate that was drying, prior to being weighed. Explain to the students how this might affect the actual yield of th reaction.

Iknow #2 is d. i just need to know why

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots