**Brainiest if correct** Write 5-6 sentences about snakes. (This is for an informational paper, make if formal!) Please don't put links/files to download because I can't download on this computer since it is the family computer. THANK YOU!

What would happen if the krill were removed from the food web

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.