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

The great scientist alfred wegener proposed that continents have moved, while other scientists such as t.c.chamberlin argued against wegener. wegener's ideas eventually won, and are now widely accepted, because: a) wegener's ideas were more beautiful, and so were favored by the intellectual elite.b) wegener's ideas did a better job of predicting the results of new observations and experiments.c) wegener's ideas appealed to dead white european males, whereas chamberlin's didn't.d) wegener's ideas appalled dead white european males, and we all know that in this politically correct era,dead white european males cannot get a fair shake.e) wegener won the nobel prize.

The rwandan patriotic front and the interahamwe were a. relief agencies b. military groups c. political parties d. nonprofit organizations select the best answer from the choices provided. a b c d

What is the relationship between groundwater and aquifers?