With which objective lens would you see the largest area of specimen

The objective lens with the lowest magnification would have the largest field of view. This is generally a 4x objective. This along with a 10x eyepiece gives 40x in total.

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true, generally referred to as invasive species given that they have no natural predators in new environment

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.