It means every thing is made out of Atoms and some things are element componds so elements are the "backbone" of the compounds.
No one answeres physic questions, iveneeded help all morning
Answer:
mutualism
Explanation:
Mutualism, a relationship in which both species benefit, is common in nature. In microbiology, there are many examples of mutualistic bacteria in the gut that aid digestion in both humans and animals.
Her acceleration is
(250) divided by (the swimmer's mass, in kilograms).
The unit is " meters per second² " .
