Two students, Student 1 and Student 2, did a hands-on mining exercise with cookies. The table below shows the costs of land, equipment, mining, and reclamation for the two students. Students Cost of land Cost of equipment Cost of mining and reclamation Time taken to mine the area 1 ? $2 $2.00 per minute 5 minutes 2 $4 $5 $2.00 per minute 6 minutes If Student 2’s total cost of mining is $3 more than Student 1’s total cost of mining, what is the cost of land for Student 1? (4 points)

Matt observed that the corn plants on his farm were not growing well. He tested the soil sample on his farm and found it to be silty clay loam. Matt knows that sandy clay loam is the best soil type for corn plants. Based on the soil texture triangle, which of these is the best method that Matt can adopt to improve the quality of corn plants on his farm? (4 points)

This picture shows some fortified cereal in a bowl. What mineral is most likely added to this cereal to increase its nutritional value? (4 points)

Uranium can supply energy for the world’s electricity without emitting harmful greenhouse gases. Which of these statements best describes an outcome of uranium mining? (4 points)

Two students, Student 1 and Student 2, did a hands-on mining exercise with cookies. The table below shows the costs of land, equipment, mining, and reclamation for the two students. Students Cost of land Cost of equipment Cost of mining and reclamation Time taken to mine the area 1 ? $2 $2.00 per minute 5 minutes 2 $4 $5 $2.00 per minute 6 minutes If Student 2’s total cost of mining is $3 more than Student 1’s total cost of mining, what is the cost of land for Student 1? (4 points)

Oil is a fossil fuel which provides power to sustain a modern lifestyle. Which of these statements best describes an outcome of oil drilling? (4 points)

This picture shows a MP3 player. What mineral is most likely used to make the MP3 player? (4 points)

The picture below shows a soil texture triangle. A soil sample contains 40 percent sand, 30 percent clay, and 30 percent silt. What type of soil is present in the sample? (4 points)

The steps in the formation of sedimentary rocks are listed below in an incorrect order. 1. Rocks are weathered.2. The sediments are compacted together.3. They are deposited in layers.4. Small pieces of rocks are carried by water. Which of these best shows the correct order of steps in the formation of sedimentary rocks? (4 points)

The picture below shows a soil texture triangle. One farmer plans to grow soybean. Soybeans grow best in medium loam soil. Which of these is the most likely soil sample that the farmer would select to grow soybeans? (4 points)