What is the difference between getting energy

Solution-Muscular control related to diseases
April 20, 2020
Key functions of digestive system
April 20, 2020

What is the difference between getting energy

1. What is the difference between getting energy from cellular respiration and getting energy from a log by burning it?

2. Why does the body need to utilize both aerobic and anaerobic respiration?

Algebra question:

Eighty pounds of 20% copper alloy are to be produced by melting down a bar of 12% alloy with another bar of 32% alloy. How much of each alloy is used?