In eukaryotes, chromosomes are protected by what cellular structure?
a nuclear membrane
b antibodies
C cytoplasm
d ribosomes

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

When analyzing tree rings, what do scientists assume a thin ring indicates?