If a chemistry student is given a molecular formula of a molecule, she or he can easily and readily identify if it is compound by checking the bond either a covalent bond or ionic bond. Check the items of each element since elements in a compound are in fixed ratio, she or he can easily identify.
Answer:
more Na+ diffuse into the cell than K+ diffuse out of it
Explanation:
When a nerve cell is stimulated, the electrical properties of the membrane are momentarily reversed. The inside of the membrane attains a positive charge of up to +40 millivolts, while the outside becomes negatively charged. Under these conditions the membrane is said to be depolarized.
The answer would be c, fossil fuel comes from the decaying fossils underneath the ground from millions of years ago.
There is an app called Socratic on the App Store. Type that in and u get the answer :)
