How does your brain communicate with the rest of your body?

Explanation: The brain communicates with the rest of the body through the spinal cord, which runs from the base of the brain all the way down the back. Messages travel from the brain into the spinal cord and out to the body's nerves to tell the body what to do.

it is called acid bonding

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e