Which mineral property can be determined simply by observation a) reaction to acid b) magnetic properties c) luster d) hardness

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.

Which of the following best summarizes the point of agreement?

Which type of seismic waves are confined at the surface