True or false, heart muscle can depolarize spontaneously in the absence of any external stimulation

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

About __ of the mass of the cell is water

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.