QUICK I NEED THE ANSWER!! Compare the symmetry of an echinoderm to the symmetry of worms

A. Both echinoderms and worms have bilateral symmetry
B. Echinoderms have bilateral symmetry and worms have radial symmetry
C. Echinoderms have radial symmetry and worms have bilateral symmetry
D. Both echinoderms and worms have radial symmetry

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible? a. attractive forces between gas particles are negligible because the particles of an ideal gas are moving so quickly. b. collisions between gas particles are elastic; there is no net gain or loss of kinetic energy. c. gases consist of a large number of small particles, with a lot of space between the particles. d. gas particles are in constant, random motion, and higher kinetic energy means faster movement.

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Summarize possible ways in which phases of matter could combine to form a solution.