Answer:
renewable resources are abundant???
The process in which a gaseous substance is converted into a condensed, more usable chemical substance is called fixation
I believe a solution of Sn(NO3)2 can not be stored in an aluminium container because Aluminium is higher in the reactivity series compared to Tin (Sn). Therefore, Aluminium is more reactive than Tin and hence aluminium will displace Tin from its salt forming Aluminium nitrate and Tin metal. Thus storing Tin nitrate in an aluminium container will cause the "eating away' of the container.
Protons goes in the blank. the word can be used for both.
Friction between the sidewalk and the wheels of the skateboard
