Types of cells that are shaped like roots are what?

nerve

Explanation: Cells specialize, and their shapes reflect what they do. Muscle cells are long and skinny, while epithelial (skin) cells tend to be square-like and flat. Nerve cells look like roots or tentacles, and fat cells look like blobs.

the correct answer is b

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added