Which of the following statements is true 1.Boiling and Melting points are chemical properties 2. A molecule of oxygen can have atoms of carbon in it 3. Elements are substances made of only one type of atom 4. The number of electron shells in an atom is called the atomic number

answer; i believe the correct answer is (data); /// good luck

answer: if she breaths she a thho

explanation:

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )

i think the answer is a.keratin is the pigment responsible for skin color.