The leading cause of disability in the United States Is O diabetes
chronic disease
too much exercise
communicable disease

Chronic diseases
are the leading cause of disability in the U.S. (This includes problems like heart disease and diabetes). Another leading cause, as of recent years, are Neuropsychiatric disorders

This is what i did 45-5=4040÷4=10so there are 10 white marbles but am not sure is just a question that am not sure

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass