Each month's fertile period is different for every woman, but on average the days between the 10th and 17th day of the cycle are the most fertile ones. More specifically, this period refers to days 12 to 16 before the beginning of the next period. This timeframe refers to the ovulation, the process that includes the release of an egg from an ovary.
The state of nature, for Rousseau, is a morally neutral and peaceful condition in which (mainly) solitary individuals act according to their basic urges (for instance, hunger) as well as their natural desire for self-preservation.
The best answer would be:
Unconditioned stimulus
In Pavlov's experiment on conditioning the food was the unconditioned stimulus that triggers a reflex or natural behavior. Think of it like something that makes you do something automatically.
For example, the food. When the dog smells food, it salivates. This is unconditioned because without teaching the dog, it automatically responds by salivating.
<span>In the process of photosynthesis, carbon dioxide is taken from the atmosphere and oxygen is realased. But now with the evolution, the atmosphere has much more oxygen than carbon dioxide. So the first step of absorbing carbon dioxide itself has been challenged by the process of photosynthesis.</span>
