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?

"Get 15% discount on your first 3 orders with us"
Use the following coupon
"FIRST15"

Order Now