Decide whether the following statements are ture or not, and then circle"Ture" or "False".
1.The suction hook we frequently use in the bathrooms can stick to the wall because of the presence of the atmospheric pressure. (Ture or False)
2.If the number of gas particles in a closed can increases,the gas pressure is also increased. (Ture or False)
3.We are hit constanthy by air particles,so pressure is exerted on us. (Ture or False)