Well matter is basically any substance that has mass and takes up space. Example, you have a ball, or a table, or anything really. That is mass. But anything that doesn't take up space or has mass isn't matter. So, anything that doesn't have a mass or take up space is not matter. Hope this helped you understand. :D
B. A moray eel eats a fish swimming by. Predators are organisms that eat other organisms. If this helps, thank me. If this really helps, thank me and, crown me brainliest answer. Also, rate, and comment. This helps me to improve answering, and helps you to get a better answer.
It’s not B or C. I want to say A but I’m not 100% sure
Neurotransmitters is chemical thing that has at sinaps...it function to sending electric impuls to axon..if neurotransmitters in the low level that makes a impuls slow to arrive the body..so reaction of body can slow motion..neurotrasmitters are slow when you takes a bad chemical thing as carbon monoxide and more...