What is it and why do i care ?
1. quasi-agriculture ?
2. competiive ratchet ?
3. woodlands indians ?

Adisadvantage of adding a vegetarian hot-food option to a school lunch menu is that it would a. force all students to change their diets. b. eliminate a meat option from the menu. c. only some students on special diets. d. increase the amount of food that is wasted.

What causes the cyclical changes in the appearance of the moon?

Plants in the tundra biomes have had to adapt to live long periods of time without a. cool temperatures b. sunlight c. oxygen d. water