How can zoning laws be beneficial to a city’s residents?

a.
They prevent new business development.
b.
They can prevent new development that would harm established residents.
c.
They limit the maximum height of buildings.
d.
They restrict who can live in a city.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria