Exam Study Guide

5. A positive electric charge.
6. The transfer of carbon through the organisms in a food web.
7. An exothermic reaction in which something reacts with oxygen.
8. The combination of ideas to form a system.
11. Components living.
13. A chemical reaction where a single reactant breaks down to two or more products
14. Chemical reaction that absorbs heat.
15. A negatively charged ion.
17. Is something that acts like a storage source.
18. Respiration A chemical process performed by plants and animals.
19. Components nonliving.

1. A negative electric charge.
2. The waste and remains of once living organisms.
3. fuel Comes from the dead remains of ancient plants and animals.
4. Ancient plants which have been buried for hundreds of million of years to produce fossil fuels.
9. Chemical reaction that releases energy through light or heat.
10. A chemical process performed by plants.
12. reservoir Is a storage source for carbon.
16. Where the electrons are shared equally.
18. A positively charged ion.