9. what is the function of the structures labeled q?
a. allow more oxygen to enter the plant!
b. allow more oxygen to exit the plants
c! allow more water to enter the plant
d. allow more water to exit the plant

It was crowded with sewer like smells. bad sewer systems

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips. 

They all deal with hard evidence(scientific)