During puberty, you may notice your hair and skin becoming more oily. this is because the glands and pores produce more
a. sebum
b. selenium
c. dandruff
d. dentrites

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

Which nucleotide component contains nitrogen

The part of the eye that closes and opens to let light in is .