The answer is the letter B. Electrical signals.
*Our brain and body communicates with each other by sending messages in the form of electrical signals.
4 i guess........................
Answer:
Check if the rock layer has fossils in it.
Explanation:
The rock layer from the inside out and the fossils will tell you how old the rock is.
Answer:
decreases
Explanation:
when the acidity in a solution increases the ph will decrease. when the acidity in a solution decreases the ph increases
Answer:
I'm pretty sure it's luster!
