Answer:
C. They break down food materials into forms the cell can use.
The answer is D. competition
1. helping relatives/others building something such a drawers, chairs.
2. Using teamwork with friends to create a sculpture for a class project
Answer:
Here Hassani shares his top 10 outstanding Muslim inventions:
Surgery. Around the year 1,000, the celebrated doctor Al Zahrawi published a 1,500 page illustrated encyclopedia of surgery that was used in Europe as a medical reference for the next 500 years. ...
Coffee. ...
Flying machine. ...
University. ...
Algebra. ...
Optics. ...
Music. ...
Toothbrush.
Explanation:
The process of metal refining is done for the purpose of fixing the metals impurities through the reduction process. On the other hand, problems are encountered in doing this process. Metal refining produces refined metals but the main downside of this process is the production of too much waste after.