If a solid object is placed into a graduated cylinder that contains 24.5 mL and the volume in the graduated cylinder rises to 29.8 mL, what is the volume of the solid object?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)