Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration.
Glass is brittle
Iron is malleable and ductile
glass is ressistant to corrotion
iron corrodes easily
Liquid doesnt dissolve the glass
some luquids can dissolve iron
iron is magnetic
glass isnt
There aren't enough oxygen molecules in the air are higher altitudes
