What is the total number of protons, neutrons, and electrons in an atom of arsenic, As, that has a mass number of 75?

there are 33 protons and electrons and there are 42 neutrons.

Explanation:

the atomic number is equal to the amount of protons and electrons. subtract the amount of Protons from the mass to get the neutrons.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

i am positive it is c. condensing but i may be wrong