« previous next »

Author Question: If life arose on a planet where carbon is absent, which element might fill the r (Read 1451 times)

Hawke

  • Hero Member
  • *****
  • Posts: 679
on: May 26, 2013
If life arose on a planet where carbon is absent, which element might fill the role of carbon?
A) boron
B) silicon
C) nitrogen
D) aluminum
E) phosphorus


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: May 26, 2013
Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #2 on: Feb 5, 2014
Thank you so much.


« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Life Life
A consensus tree of life A consensus tree of life
Stereotypes, which play such a profound role in social life, are a basic area of sociological ... Stereotypes, which play such a profound role in social life, are a basic area of sociological ...
The carbon cycle "دورة الكربون" The carbon cycle "دورة الكربون"
A sample of baking soda is heated and releases carbon dioxide gas into a 1000-mL A sample of baking soda is heated and releases carbon dioxide gas into a 1000-mL
The tree of life, highlighting the phylogenetic relationships The tree of life, highlighting the phylogenetic relationships
Video: Segmentation and migrating motility complexes & Gastroileal reflex

For a complete list of videos, visit our video library