Answer:
Explanation:
Not sure about the first question (not taking classes about this) but the second question the answer is the third option!
Hope you find the first question!
Answer:
It is still a controversial issue because: Immigration commes with cultural diversity and this rases cultural changes.
Explanation:
Immigration is still controversial because not everyone is open to the diversity and the changes that a new culture brings. Often what is different creates uncertainty and people prefer to stay with what they think is familiar or what they are use to. Social and cultural diversity means the acceptance of what is different from once culture, this generates controverial issues.
The answers for the blanks can be either "increase" and "decrease" or "encourage" and "discourage."
Answer:
The answer is Ivan Pavlov.
Explanation:
Ivan Pavlov was known for his studies in classical conditioning --that is, the way environmental stimuli can affect our physiology.
There is a very well know experiment in which he rang a bell every time he was going to feed a dog. He noticed that after the dog got conditioned to associating the sound of the bell with food, the dog would start salivating just by hearing the sound.