Scientists are studying a group of living sells under a microscope. They write down notes about the size, shape, color of the sells as well as some other traits. Witch best describes the type of investigation?

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Name the organs of humanelemintary canal.

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do