Author Question: Are boron and chlorine nonmetallic trace elements? Indicate by YES (Y) or NO ... (Read 124 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
Are boron and chlorine nonmetallic trace elements?
 
  Indicate by YES (Y) or NO (N).

Question 2

Can mottling in older leaves be a sign of magnesium hunger?
 
  Indicate by YES (Y) or NO (N).



morganmarie791

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

Y

Answer to Question 2

Y



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

For a complete list of videos, visit our video library