How do radio telescopes work?
I need this to sound like I pulled it out of my brain so...Dumb it down a bit

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.

What effect does plate tectonics have an organic evolution

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f