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

Author Question: Beginning around 250 million years ago, the accumulation of dead algae led to the formation of a(n) ... (Read 76 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
on: Jul 21, 2018
Beginning around 250 million years ago, the accumulation of dead algae led to the formation of a(n) ____ zone along the bottom of coastal waters.
 
 

a. aerobic c. benthic
  b. anoxic d. aphotic



Question 2

Kerosene is a liquid hydrocarbon created from the distillation of crude oil and it has a condensation point of around ____ degrees Fahrenheit.
 
 

a. 200 c. 600
  b. 400 d. 800



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Liamb2179

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 21, 2018
Answer to Question 1

B

Answer to Question 2

B


aabwk4

  • Member
  • Posts: 593
Reply 2 on: Jul 21, 2018
Wow, this really help

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr
Formation of a Zygote Formation of a Zygote
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Concept Formation Concept Formation
The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ... The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ...
A pedigree for albinism collected in the early years of the twentieth century by Charles Davenport, A pedigree for albinism collected in the early years of the twentieth century by Charles Davenport,
Video: Interspecific Competition Relationship - Competitive & Niche Differentiation

For a complete list of videos, visit our video library