Difficult because it went against basically everything that was previously believed to be true
IT'S called NaOH. Hope this helps you. Would mind marking this a brainliest answer :)
Answer:
A. metabolism
Explanation:
Metabolism is the bodily process used to convert food into energy.
To survive, the body must use energy. Energy is important to perform daily tasks as big as moving and as small as undergoing mitosis. All of this energy comes from the food we eat.
Metabolism is a complex process that works to break down the calories within food and convert them into energy we can use.
bis an example of intracelluar, not inter, so b is your correct answer
And the answer is A. worm
The birds can eat with the worms.
It will help you.