Answer:
Its kinda celebrated in some parts of mexico, but its not an official holiday neither.
Explanation:
Four scourge and seven years ago. it marks the day that we got independence from great britain which lincoln recited in his speech due to slavery at the time
Sharks, just like any other fish, develops gills to breath underwater. Their gills, act like a filter to filter out the oxygen with the water.
Answer: A) Activation-synthesis theory
Explanation:
This is a neurobiological reason given for why we dream. This theory was propsed in 1977 by John Allan Hobson who is an Harvard University Psychiatrist. This theory implies that dreams are formed as a result of changes in the activity of neurons that turn on the brainstem in the course of rapid eye movement, this means that chemicals are triggered when there is a shift and change in nerves brainstem as the body and brain rotates between day and night.