Icant figure this out what so ever. lol. unlike nonsteroid hormones, steroid hormones a. bind to receptors on the outside of cell membranes. b. enter the nucleus and change gene expression in a target cell. c. include proteins and modified amino acids. d. can't pass through cell membranes.

the answer is A

hope this helped

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.