Scientists found cities of brittle stars living on the ocean floor. study the picture of the star below. what is the order of rotational symmetry for the star?

a.0
b. 5
c. 1
d.4

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.