That would be D. Lake Titicaca
Puberty occurs when a part of the brain called the hypothalamus begins to produce a hormone (gonadotropin) that has an effect on the testes and ovaries causing an increase sex hormone — estrogen in girls and testosterone in boys.
Answer:
Explanation:
Humans can reverse the damage they have inflicted on the Earth’s water supplies if they reduce their pollution output.
Choice A. Environmental determinism is when the environment is what causes there to be changes in human actions or social developments
Environmental possibilism is when the human can still perform his or her human actions and believe that even though their environment can cause there to be a change in there human action, they can reverse that idea.
Spatial interaction is the movement and flow of involving human activity
Geomorphology is not even considered as an answer. It should be an eliminated answer choice
A Historian would look for a primary source (option d. ) - the definition of a primary source is that it was written at the time of the event, and not later (this is the secondary choice).
