Which of the following particles has no charge? O A. Electron
O B. Neutron
C. Proton
D. Ion

7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.

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

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?