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

Author Question: The amount of iron on the earth today as compared to the amount of iron 120 years ago (approximately ... (Read 66 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
on: Aug 27, 2018
The amount of iron on the earth today as compared to the amount of iron 120 years ago (approximately the beginnings of the Industrial Revolution)
 
  A) is less.
  B) is essentially the same.
  C) is more.
  D) cannot be estimated or predicted.

Question 2

Glass can be colored because of the addition of ________ compounds to make a green color.
 
  A) magnesium
  B) chromium
  C) lithium
  D) zinc


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

covalentbond

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
Reply #2 on: Aug 27, 2018
Thank you!


covalentbond

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Emission spectrum of iron Emission spectrum of iron
This older woman is exploring new avenues of enjoyment as she avoids stagnation in her later years This older woman is exploring new avenues of enjoyment as she avoids stagnation in her later years
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
In Charles Russell’s Trail of the Iron Horse (1910) steel rails stretch nearly to the sun while wisp In Charles Russell’s Trail of the Iron Horse (1910) steel rails stretch nearly to the sun while wisp
“Career choice” for many women means leaving their paid jobs for a number of years when they ... “Career choice” for many women means leaving their paid jobs for a number of years when they ...
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library