Describe the visible features of diatoms

based on the micrographs and your observations from part b, suggest how individuals of these species move around.

6. Silica, glass like cell wall, normally symmetrical.

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