« previous next »

Author Question: Which of the following elements, essential to life, is a trace element? A) phosp (Read 1058 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Apr 23, 2014
Which of the following elements, essential to life, is a trace element?
A) phosphorus
B) carbon
C) iodine
D) calcium


Millan

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: May 9, 2014
This is for essentials biology, right? the answer is C. Bye for now.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
Reply #2 on: May 9, 2014
Thank you, you were right :D


« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

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

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

The life cycle of a typical fern. The life cycle of a typical fern.
RNA Virus Life Cycle RNA Virus Life Cycle
The basic unit of life - cell The basic unit of life - cell
Life cycle of acetylcholine (Ach): (1) Ach is released into the synaptic cleft; (2) Ach binds to ... Life cycle of acetylcholine (Ach): (1) Ach is released into the synaptic cleft; (2) Ach binds to ...
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
The tree of life, highlighting the phylogenetic relationships The tree of life, highlighting the phylogenetic relationships
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library