You find a mineral sample that is yellow, has a white streak, and has a hardness of 2.5. The sample is most likely which mineral?
Mineral
Color
Streak Reacts with Hardness
hydrochloric
acid
Gold
Yellow
No
Golden
yellow
2.5 - 3
Pyrite
Black
No
6 - 6.5
Yellowish
gray to
gray
Sulfur
White
No
1.5 - 2.5
Bright
yellow to
yellow-
brown
Calcite
White
No
3
Colorless,
white,
yellow,
brown,
orange,
pink, red,
purple,
blue,
green,
gray,
black
O A. Sulfur
B. Calcite

O C. Pyrite
O D. Gold

Match your vocabulary word to its definition. 1. emigration 2. immigration 3. migration 4. overpopulation 5. sustainable development 6. under population 7. unsustainable development 8. urbanization the movement from one place to another the number of people exceeds the available natural resources in an area leaving one's homeland to settle in a new place the increase in the population of a city the movement of people to a new country the ability to meet current needs without reducing the ability to meet future needs resources being used up at a faster rate than they can be replenished birth rate insufficient to replace the existing population