Which research observation triggered the idea that biological factors could cause mental illness?

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit

Moving down the ramp from 6 meters to