"the hopping movement of small grains of sand, caused by wind is called "

The process by which natural forces move weathered rock and soil brim one place to another is called

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

Types of scientific inquiry that biologist engage in that cannot be completely controlled