I will give people 100 POINTS

do we have to do all qestions or just one and if it is just one witch one

Explanation:

I.

Explanation:

You can eliminate the other anwers to see which one has a toothed edge.

V: Has a smooth, rounded edge

IV: Has many smooth, rounded leaves that are oval-shaped.

I: Definitely has 'toothed' projections around the edge of the leaf, which is the characteristic of a Betula as described in the diagram above.

II: The edges of this leave are smooth, and the edges must be toothed, not the entire leaf. If the question asked for a toothed leaf, this would be the one, however, the edges are smooth instead of toothed.

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