1. the work of schleiden and schwann can be summarized by
saying that?

they studied plant and animal cells and proposed cell theoy in its initial form . so it can be summarized by all living organisms are made up of cells

Explanation:

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