Answer:
A. Frictional
Explanation:
Friction is the force created when two solid objects in contact try to move past each other.
Yes it yes molusbus ks jshs jsbjsus js js sjs js sj dis dis jsys snsus
The answer is D) wood decaying
Answer: 40.1%
Explanation: The mass of calcium in this compound is equal to 40.1 grams because there's one atom of calcium present and calcium has an atomic mass of 40.1 . The molar mass of the compound is 100.1 grams. Using the handy equation above, we get: Mass percent = 40.1 g Ca⁄100.1 g CaCO3 × 100% = 40.1% Ca.
