Waves in shallow water become bent and begin to run parallel to the shoreline, a process known as refraction erosion reflection oscillation

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?