Light bounces off of a mineral sample. What can you say about the mineral?(1 point)
Responses
The mineral is transparent.
The mineral is transparent.
The mineral is translucent.
The mineral is translucent.
The mineral is refractive.
The mineral is refractive.
The mineral is reflective.
The mineral is reflective.
The mineral is reflective.
What properties of silica sand make it useful in hydraulic fracturing?(1 point)
Responses
It can withstand great pressure.
It can withstand great pressure.
It absorbs excess moisture.
It absorbs excess moisture.
It dissolves easily in oil.
It dissolves easily in oil.
Its abrasiveness aids in drilling.
Its abrasiveness aids in drilling.
How have phosphate minerals most affected human activity?(1 point)
Responses
Many people left their homes to seek wealth from phosphate mining in the 1800s.
Many people left their homes to seek wealth from phosphate mining in the 1800s.
Using phosphate minerals in fertilizer allowed humans to grow more crops.
Using phosphate minerals in fertilizer allowed humans to grow more crops.
Phosphate mining operations have ceased due to environmental impacts.
Phosphate mining operations have ceased due to environmental impacts.
Humans have relied heavily on phosphate minerals to develop new technology.
Using phosphate minerals in fertilizer allowed humans to grow more crops.
1. Solve:
6C3
A. 120
B.720
C.20
D.240
2. Which is not a combination?
A. Choosing 3 toppings for your pizza
B. lining 3 students up in a row
C. choosing 2 desserts from a tray of 10
D. Choosing 5 students to represent a class of 30
3. How many ways can you choose 3 dishes from a menu of 8?
A. 24
B. 336
C. 144
D. 56
4. Is choosing 5 players to represent the team at a fund raiser a permutation or comination?
A. Permutation
B. Combination
1. A. 120
2. B. lining 3 students up in a row
3. D. 56
4. B. Combination
5. Solve:
6P4
A.240
B.720
C.20
D.360
6. How many different ways could you arrange 4 books on a shelf.
A.4
B.24
C.14
D.8
7. Is choosing 2 toppings from a list of 8 for your pizza a permutation or Combination?
A. Permutation
B. Combination
8. How many different ways can you choose 3 frozen yogurt toppings from 20?
A.6,840
B.1,140
C.60
D.2,260
5. D. 360
6. B. 24
7. B. Combination
8. D. 2,260
Your wrong for
1.20
8.1,140