« previous next »

Author Question: Rare-earth elements are called that because they are very rare. Indicate whether the statement is ... (Read 99 times)

APUS57

  • Hero Member
  • *****
  • Posts: 571
on: Jul 15, 2018
Rare-earth elements are called that because they are very rare. Indicate whether the statement is true or false.

Question 2

Due to the long history of environmental damage from acid-mine drainage, present-day mines can no
  longer be developed in a sulfide ore body. Indicate whether the statement is true or false.



kkenney

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 15, 2018
Answer to Question 1

T

Answer to Question 2

F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

APUS57

  • Hero Member
  • *****
  • Posts: 571
Reply #2 on: Jul 15, 2018
Correct answers!


kkenney

  • Sr. Member
  • ****
  • Posts: 352
Reply #3 on: Jul 15, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

A rare albino American alligator A rare albino American alligator
The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland. The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
Example of a patient statement. Example of a patient statement.
Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ... Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ...
Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes, 4th Edition Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes, 4th Edition
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library