The answer is A.
The brain sends signals by chemical reactions that occur in the neurons to the muscle cells.
The muscle cells, after receiving the signals sent by brain, contract and expand necessarily to execute the action, in other words, it performs work.
Hope this helps you! :)
Answer:
I'm not sure
Explanation:
HAVE FAITH IN UR SELF AND YOU WILL GETT ITTTT HOPEFULLAYY
Answer:
sound travel fastest through solids this is because molecules in a solid media much closer together then throws in a liquid or gas flowing sound ways to travel more quickly throw it in fact sound waves travel over 17 times faster throw Steel then through air
I think that some options might have helped to answer the question. I am answering the question based on my research and knowledge. "Compound B may have a lower molecular weight" is the assumption that can be made according to the <span>Kinetic Molecular Theory. I hope the answer has come to your help.</span>
