Which feature is common to gills, lungs, and tracheae?

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes