B) The length of this chloroplast is 2.5um. Calculate the
magnification of this diagram.
Show your working out.
(3 marks)

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

What materials must dams have to produce electricity, and what must occur?