Answer:
B an increase in the concentration of hydrogen peroxide.
Explanation:
Answer:
c
Explanation:
Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves. This can kill, damage, or change the cells and make you sick. Different viruses attack certain cells in your body such as your liver, respiratory system, or blood.
Answer:
What does being extinct mean? ... Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world - the species has died out. This is a natural part of evolution. But sometimes extinctions happen at a much faster rate than usual.
Explanation:
Adenine pairs with Thymine with two hydrogen bonds and guanine pairs with cytosine with three hydrogen bonds.
