<span>The correct answer is b. Option a is incorrect because these models can demonstrate scientific theories, but they don't prove scientific theories (you would need experiments for that). Option c is incorrect because the models aren't always representing something abstract (i.e. DNA is very real, just very small). Option d is incorrect because they don't precisely mimic something in nature, but instead help us visualize something in nature that is difficult to see or comprehend.</span>
1. Supplying oxygen to cell and tissue
2. Providing nutrients to cells
3. Protecting your body from infections
Answer:the color explanes it's self old and young
Explanation:
Answer:
Both the process, aerobic respiration and lactic acid fermentation releases ATP. Besides that also both the process starts with the breakdown of glucose.
Explanation:
Answer:
but no the answer is spine which can also be called vertebral column so is B
