What are the two toxic byproducts of incomplete combustion? Select one:
a. oxygen, carbon monoxide
b. carbon, oxygen
c. water, carbon dioxide
d. carbon, carbon monoxide

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

What is the average rate of the reaction between 10 and 20 s?

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.