Question 9 A strip of metallic magnesium was reacted with 100g of water. Mr. Kolex asked the students to observe the change
made from the moment the magnesium was dropped into the pure water until the final stage. After the reaction,
students were asked to calculate the mass of magnesium hydroxide produced
(2mks​

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.