shejacobs04 shejacobs04
  • 12-01-2018
  • Chemistry
contestada

What is the trend in copper production over the past 100 years

Respuesta :

Dejanras
Dejanras Dejanras
  • 21-01-2018
Answer is: copper production have been rising since 1900.
At beginning of 20th century average production of copper was half million tons per year, in 1940s two million tons per year, in 1960s four million tons per year, in 1980 eight million tons, in 2000 fourteen million tons.Copper is important industrial metals because his iheat and electrical conductivitie. Because Indian and Chinese economies are growing since 2006, price of copper rises.
Answer Link

Otras preguntas

_Pb304 + _HNO3 → __Pb(NO3)2 + __PbO2 + __H2O​
How many moles of HNO3 are contained in 500. mL of a 6.00 M solution?
Maximum number of possible structural of C7H9N
7) Which statement best summarizes the irony of the situation regarding the bird? A) The bird sounds sad, but is actually happy. The bird sounds content, but ac
The equation 22 = 2y + x represents the perimeter of a flower garden with length y (in feet) and width x (in feet). Solve for y. Then find the length of the flo
Need help with this math problem
Every week, cross country team members run more than 15 miles. Write an inequality that represents this situation. Let m represent the number of miles ran each
What is y+2=⅞(x-3) in standard form?
Use your new knowledge of Japanese Internment during WW2 to answer the questions below in one well-developed, cohesive paragraph. -Why did United States citizen
If a =8 and c=10 find b with a triangle