the answer is:Sea trade allowed for an exchange of ideas and technology that these civilizations could adapt and utilize in their own society.
Range is from -180 degrees to +180 degrees =360 degrees
Answer:
Both scenario A and D.
Explanation:
The study examining infants' ability to do simple arithmetic that showed infants one or two dolls and then either added or subtracted a doll from behind a screen demonstrated that infants were surprised in which of A: A doll is placed behind a screen where another doll was initially present, and lowering of the screen reveals a single doll and D: A doll is removed from behind a screen where two dolls were initially present, and lowering of the screen reveals two dolls.
