Choice A is the correct choice, The graduation rate in a city and the rate of unemployment in that same city would not have a positive correlation.
A. it is based on a scale of 0 to 14
The base pairs are put into different orders and these orders code for different amino acids.
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.
A. They had different types of food. This resulted in many different breeds of finches.
