Mineral hardness
way it breaks
luster
streak
color
Galena
2.5
cleavage
metallic
gray-black
silver, gray
Magnetite
6
fracture
metallic
black
black
Hematite
6
fracture
metallic-dull
red-brown
red-brown, silver, black
Susan wants to identify a dark, heavy mineral sample she found in the classroom collection. She
notices there are three minerals in a chart in a reference book that might match her sample. Susan
next observes that her sample mineral has flat, reflective surfaces that break into boxlike steps. She
infers the mineral may be galena. If she is correct, one more test will verify her inference. Which
property would to best for her to observe next?
hardness
O luster
O streak
O color

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

What is the cause hearing loss in human being

This map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shoes a decrease in percipitation, and blue shows an increase. the maps differ based on the predictive levels of green house emissions. the maps shows that northern area should get a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.southern areas show a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.to use these maps to prepare for natural disasters in the great plains, scientist need to ask? a. how many tons of emissions were used at the basis of the map.b. which types of fossil fuels are used in the great plains c. if you think the above is wrong it's probly c the question is cut off