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

Author Question: Some of the most problematic MSW in oceans are A) heavy metals and other toxic elements from coal ... (Read 17 times)

serike

  • Hero Member
  • *****
  • Posts: 542
on: Jul 16, 2018
Some of the most problematic MSW in oceans are
 
  A) heavy metals and other toxic elements from coal ash.
  B) wood, vegetation and paper originating from landfills and commercial shipping.
  C) food wastes dumped by large tourist liners.
  D) non-biodegradable plastics that contain toxic materials and circulate in huge gyres.

Question 2

Over a period of time, a slowly crystallizing magma liquid develops a higher silica content while magnesium abundance decreases through fractional crystallization.
 
  Do the minerals crystallizing from the magma contain more silica relative to the starting magma or do they contain more magnesium relative to the starting magma?
   a) The minerals contain more Si than the magma liquid
   b) The minerals contain more Mg than the magma liquid


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

k.lashomb

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 16, 2018
Answer to Question 1

D

Answer to Question 2

B


serike

  • Member
  • Posts: 542
Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review

tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Your heart beats over 36 million times a year.

A heavy winter coat with countershading in a mixed-breed dog A heavy winter coat with countershading in a mixed-breed dog
Elephant work camp in Thailand. Elephants are used for heavy forest work and in circus presentations Elephant work camp in Thailand. Elephants are used for heavy forest work and in circus presentations
Heavy fuel droplets separate as they flow around an abrupt bend in an intake manifold. Heavy fuel droplets separate as they flow around an abrupt bend in an intake manifold.
Periodic Table of the Elements Periodic Table of the Elements
U.S. Subsurface Coal Mining: Output, Price, and Output per Worker-Hour, 1949–1994 U.S. Subsurface Coal Mining: Output, Price, and Output per Worker-Hour, 1949–1994
Trace Elements of the Human Body Trace Elements of the Human Body
Video: Neuron Structure Animation

For a complete list of videos, visit our video library