In this experiment, you obtain a percent recovery for carbon dioxide in Part A, which you then use in Part B with the antacid. Why can you use the same percent recovery for both parts? (Select all that apply)

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.