You are actually giving 5 points. Ps I just got five points for telling you that
Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.
Carbon monoxide is harmful when breathed because it displaced oxygen in the blood and deprives the heart, brain, and other vital organs of oxygen.
Answer:
There is a physical change as the water is evaporating, producing a gas.
Answer:
Determining what data to collect.
Explanation: