« previous next »

Author Question: What is thought to be the correct sequence of the following events during the Ca (Read 854 times)

Sandstorm

  • Sr. Member
  • ****
  • Posts: 268
on: Jul 22, 2013
What is thought to be the correct sequence of the following events during the Carboniferous period?
1.    vascular plants become more prevalent
2.    megaphylls with large surface areas become more prevalent
3.    atmospheric CO2 levels decline by a factor of five
4.    global cooling occurs, leading to widespread glaciations
A) 1, 2 ,3, 4
B) 2, 1, 3, 4
C) 2, 1, 4, 3
D) 1, 2, 4, 3
E) 3, 4, 1, 2


Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Reply #1 on: Jul 24, 2013
Try A, I remember this on my test last week. I'm sure I got it right ;)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Sandstorm

  • Sr. Member
  • ****
  • Posts: 268
Reply #2 on: Jul 31, 2013
Big respects :D Best homework site every.


« previous next »
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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.

Post–Main-Sequence Evolution Post–Main-Sequence Evolution
Sequence of patient positions for heart auscultation Sequence of patient positions for heart auscultation
Each of the eight injectors shown are producing a correct spray pattern for the applications. While ... Each of the eight injectors shown are producing a correct spray pattern for the applications. While ...
Events of the Somatic Cell Cycle Events of the Somatic Cell Cycle
Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources
An insertion sequence (IS), shown in purple An insertion sequence (IS), shown in purple
Video: Introduction to Genetics

For a complete list of videos, visit our video library