Which hypothesis is testable? Plants that are grown by using brand A fertilizer taste best.
Plants that have flowers look prettier than plants that do not have flowers.
Plants will eventually die off if global warming trends continue.
Plants make more sugar on sunny days than on cloudy days.

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?

Which particle controls what element an atom is?

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.