One lab group skipped Part I, step 1, and forgot to dissolve an Alka-Selzer tablet in the water for the tank. Will their results be affected? If so, will the reported percent CaCO3 in the original sample be higher or lower than the true value? Explain your answer.

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.