Answer:
so i have ap ex for my spanish and i know that it doesnt let you copy and past e but the only thing i can say to help you which helped me a lot is you go to go ogle search "simple allow copy" and it will show a chrome extension you just hit ad d on it and it will put a triangle looking thing on the top of your screen like next to the star you just click the triangle and now you can copy and paste
Explanation:
1. C
2. E
3. D
4. A
5. B
6. D
7. C
8. B
9. C
10. C
The answer is It’s Pacemaker !! It is also known as the SA node
A, B and D because a food web shows eating patterns and how that energy is exchanged.