Answer:
Ryan has a scar on his leg
Explanation:
You can't be sure by looking at them if it's true on the othe choices. You can't tell when someone's skin itches, or has a headache, or is worried about getting a cold. They could be making it up. But you can see that Ryan has a scar on his leg.
D. all of the above
hope this helps
the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce.
Answer:
A. Putting others down
Explanation:
We shouldn't hurt others to feel better about ourselves.
