What is it called when a substance changes from solid to gas, skipping the liquid stage? sublimation evaporation melting condensation

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

What are 3 reasons that natural selection occurs