A number of scientists made contributions to cell theory. Which scientist was the first to use a light microscope to observe cells in a slice of cork? Group of answer choices

A)Anton van Leeuwenhoek
B)Robert Hooke
C)Matthias Schleiden
D)Theodor Schwann

In this experiment you were asked to present three possible mechanisms. describe those mechanisms here and include drawings of those mechanisms. how will the bromination of trans-cinnamic acid and trans-stilbene allow you to distinguish between the three possibilities? what would you expect to find in your data in each scenario?

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Which measure of an earthquake depends on how close you are to the focus?