Which statement is true of gases? a. gases have a definite shape. b. gases expand to fill all the space available. c. gas particles stay in fixed positions. d. gases have a definite volume.

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring

Are formed where bumps from two surfaces come into contact ?