This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Archean rocks in South Africa have yielded more than 50 of the world's ____ since 1886. A)lead ... (Read 75 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
on: Jul 13, 2018
Archean rocks in South Africa have yielded more than 50 of the world's ____ since 1886.
 A)lead
 B)copper
 C)gold
 D)zinc
 E)iron

Question 2

Arsenic contamination in groundwater stems from human activities.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

anyusername12131

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 13, 2018
Answer to Question 1

C

Answer to Question 2

False


dalyningkenk

  • Member
  • Posts: 598
Reply 2 on: Jul 13, 2018
Excellent

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

THE WORLD'S BIGGEST SALE THE WORLD'S BIGGEST SALE
The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c
How The World Is Urbanizing How The World Is Urbanizing
The North and South Equatorial Currents The North and South Equatorial Currents
World Mean Sea-Level Temperatures in July World Mean Sea-Level Temperatures in July
Video: Ionic bonds - role of ions in the body

For a complete list of videos, visit our video library