Answer:
Acids
Explanation:
Acids are ionic compounds that produce positive hydrogen ions when dissolved in water. Acids taste sour. They conduct electricity when dissolved in water. They also react with metals to produce hydrogen gas.
The cell membrane protects the cell and keeps bad things like viruses from getting in the cell.<span>It consists of the lipid bilayer with embedded proteins.</span>
Answer is all crimes that includes several cold cases. These range from conviction of crimes from cold cases, finding missing persons and matching dna samples from crimes scenes. CODIS databases vary depending on the information they hold in their database. They include the LDIS, NDIS, SDIS, depending on the problem they were developed to solve.