What is the type of chemical reaction is present in Zn + O2 = ZnO?

The pressure in a fluid is affected by which characteristics of that fluid

Find the mass, in grams, of 5.00*10^23 molecules of f2

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.