Answer:
Pure substances
Explanation:
Pure substances are made of only one type of atom or molecule. Hydrogen gas and pure iron are examples of pure substances. Hydrogen consists of hydrogen atoms only while iron consists of only iron atoms.
<span>The cast should only be handled with the palms of the nurse's hands as it is drying. This will allow for a smooth surface to form on the cast instead of dents and imperfections in the surface which could lead to movement issues during healing.</span>
Answer:
Oxygen
Explanation:
Cellular respiration is the process whereby living organisms synthesize energy in form of ATP. However, it can either be aerobic or anaerobic depending on whether it occurs with or without oxygen. Aerobic respiration occurs in the presence of oxygen.
The aerobic cellular respiration is further divided into glycolysis, Krebs cycle and oxidative phosphorylation. The oxidative reactions used by aerobic bacteria to generate ATP use OXYGEN as a terminal or final electron acceptor.
The glass with the alcohol will contain a mixture. This is because the melted ice will then be incorporated into the alcohol, creating a mixture of water and alcohol. However when the ice melts int he water, since ice is just frozen water, it the glass is still a pure substance because water is a pure substance and no other different substances have been added to it. <span />
