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 28 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
Great answer, keep it coming :)

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
(a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b) (a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b)
Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
Tornado Formation: Supercell Tornado Development Tornado Formation: Supercell Tornado Development
Bone Formation Bone Formation
Sabrina's Fabric Land bought $5,000 of equipment at the beginning of 2015. Amortization ... Sabrina's Fabric Land bought $5,000 of equipment at the beginning of 2015. Amortization ...
Video: Requirements for nervous signals

For a complete list of videos, visit our video library