If you drop a piece of quartz it will break apart in an irregular manner what property does quartz show in this situation

a. luster

b. cleavage

c. streak

d. fracture

Twind is considered to be an abiotic factor because it.?

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.