A flask contains a mixture of nitrogen and oxygen gases at STP. If the partial pressure of the nitrogen is 650.0 mmHg, then what is the partial pressure of the oxygen in mmHg?

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.