<span>The correct answer here is A. In a scientific experiment, the dependent variable is the variable that is being tested and then measured. The answer referenced in D, the variable that is manipulated, is referring to the independent variable.</span>
C. The brain sends messages to the spinal cord
Answer:
A, C, E
Explanation:
I got it right on edgenuity. This is the only parts that match the process of scientific inquiry.
The heart of a lazy person pumps blood less efficiently than an athlete who has trained and prepared to achieve a high performance, this can be understood with the example of football players who will play in other countries that have a higher altitude than the country of origin and has to go before to get used to the rarer air
External adaption because it doesn’t adapt patterns
