cscl crystallizes in a unit cell that contains a cs+ ion at the center of a cube and a cl- ion at each corner. the unit cell of cscl is .

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

What kind of interaction is depicted in the image? a. intraspecific, direct b. intraspecific, indirect c. interspecific, direct d. interspecific, indirect e. invasion

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.