The cell membrane. The cell membrane controls what will leave and enter the cell, not only that but it also helps support and protect the cell.
Answer:
Water gradually degrades them until the metal parts rust and the other materials deteriorate.
Explanation:
Since the reaction gives off heat energy it is considered to be an exothermic reaction
1. Direct Combination or Synthesis ReactionIn a synthesis reaction two or more chemical species combine to form a more complex product.
2. Chemical Decomposition or Analysis ReactionIn a decomposition reaction a compound is broken into smaller chemical species.
3. Single Displacement or Substitution ReactionA substitution or single displacement reaction is characterized by one element being displaced from a compound by another element.
