Countermeasures to defend systems against attacks can be classified into two categories: compile-time defenses and defenses

Countermeasures to defend systems against attacks can be classified into two categories: compile-time defenses and run-time defenses. Countermeasures are tactical solutions designed to avoid an unsuitable effect in the process. Strategies such as prevention, detection, and reaction are used to prevent problems.

i believe the answer is c

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.