A situation where friction would be desirable is rubbing your hands together to make them warm in the winter time.
Answer:
The correct answer to this question would be 196.9 million miles squared.
Explanation:
The Earth's surface area is equal to 196.9 million mi^2. That is A LOT. I hope this helps :)
A because if you add and do the equation to all the cups
Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell.
Answer:
A. by reacting animal fat or vegetable oil with water.
D. by treating animal fat or vegetable oil with hydrogen
Explanation:
Water is insoluble in animal fat or vegetable oil so it makes a layer on the surface of oil. When animal fat or vegetable oil react with hydrogen, it produces solid oil called ghee not biofuels. Biofuel is produced when animal fat or vegetable oil react with alcohol.
