In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.
Answer:
1) harm life forms that rely on carbonate-based shells and skeletons, 2) harm organisms sensitive to acidity
Explanation:
If a sample is packed poorly, the sample will not heat evenly and will take longer to melt.
Answer:
K
Explanation:
Since the blood moves from the body to the right atrium to the right ventricle
Answer:
the other variable is also doubled
Explanation:
direct proportion, same thing has to happen to both variables