Match the following items. 1. Semipermeable; allows certain substances to pass through (___)

2. Controls activities of the cell (___)

3. Storage structure (___)

4. Thick fluid between plasma membrane and nucleus (___)

5. Functional plant or animal (___)

6. Fibrous material giving support to the plant (___)

7. Produces ribsomal nucleus acid (RNA)

Cell wall, Nucleolus, Organism, Nucleolus, Cytoplasm, Plasma membrane, Vacuole​

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

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

i think the answer is a.keratin is the pigment responsible for skin color.