A. Why do you think the catalysts allowed the chemical reaction to take place at 0 °C? B. Why do you think the shape of a catalyst is important?

What provides structure to the human body?

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Embryos of different species look very similar, which shows that the organisms share a ancestor.