I think the correct answer would be genetic modification. It is the most controversial technique that is used by many farmers as this method produce high quality products in large volumes. These products are called genetically modified organisms or GMO's.
<span>A heart attack happens when one or more of your coronary arteries become blocked.</span>
C is the answer. I am sorry it might have changed from when I have done this. I have done stuff with answers like these
D is the answer... Think about every time you get cold you shiver its a natural thing that humans do to stay warm
Answer:
I believe the correct answer is A) height and amount of muscle fibers!
Explanation:
You can mostly control your heart rate, you can control your flexibility, and you can control your daily amount of exercise.
You cannot control your height or amount of muscle fibers.
