How does a government take part in market economy

The government has a limited role in a market economy like the USA. In a market economy the invisible hands of demand and supply play a central role by determining the price of everything. ... The government needs to provide those goods and services which have high social priority but very low profit margin.

h20 and c02

explanation:

because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.