This topic contains a solution. Click here to go to the answer

Author Question: What are two principal criteria by which an element can be judged essential to any plant? What ... (Read 43 times)

abern

  • Hero Member
  • *****
  • Posts: 533
What are two principal criteria by which an element can be judged essential to any plant?
 
  What will be an ideal response?

Question 2

What are the two major reasons for aerating nutrient solutions?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

durant1234

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

 An element is essential if the plant cannot complete its life cycle (forming viable
seeds) in the absence of that element.
 An element is essential if it forms part of any molecule or constituent of the plant that
itself is essential in the plant; for example, magnesium is an integral part of chlorophyll.

Answer to Question 2

 Avoid carbon dioxide buildup
 Provide oxygen




abern

  • Member
  • Posts: 533
Reply 2 on: Jul 21, 2018
Wow, this really help


xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

For a complete list of videos, visit our video library