Elizabeth then writes down observations about the rocks. Which of the following is an opinion? A.
The marble rock is prettier than the quartz rock.
B.
The quartz rock has a greater mass than the flint rock.
C.
The marble rock has the greatest mass of the group.
D.
The flint rock has a mass of 30.5 grams.

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?