ATP is like a charged battery, while ADP is like a dead battery. ATP can be hydrolyzed to ADP and Pi by the addition of water, releasing energy. ADP can be "recharged" to form ATP by the addition of energy, combining with Pi in a process that releases a molecule of water.
Viruses are not considered living because they cannot survive without a host organism, and they do not exhibit the characteristics of life.
Answer:
lack of resources, and mating
Explanation:
they may go ictenct
