An example of an atom that has no charge is one that has
o a. 3 protons, 1 electron, and 3 neutrons.
o b. 3 protons, 2 electrons, and 1 neutron.
o c. 1 proton, 2 electrons, and 3 neutrons.
o d. 2 protons, 2 electrons, and 1 neutron.

The truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.