Answer: Ivan Pavlov
Due to his experiments, he influenced other scientists. The experiment that he is most known is: Pavlov's dogs.
Pavlov fed
dogs and was looking at salivation in response to the food. At a certain
point, whenever he entered the
room, the dog would start to salivate even when he was not bringing them
food. This it is an unconditioned response to an unconditioned
stimulus.
Answer:
The country is in stage 2 of the demographic transition, and life expectancy has increased because of improvements in public health, sanitation, and access to food.
Explanation:
stage 2 of the demographic transition of a country is characterised by a decrease in death rate while birth rate remains constant. this will result in an increase in population.
this increase in birth rate and decrease in death rate is majorly attributed to improvement in health services.
Yukon territory and british columbia corner of north america.
They got here by boats I think
Answer:
B
Explanation:
The climate dried and made farming and grazing very hard.
