« previous next »

Author Question: Magnesium is the element that appears in the second group of the second period. Indicate whether ... (Read 36 times)

nevelica

  • Hero Member
  • *****
  • Posts: 563
on: Aug 27, 2018
Magnesium is the element that appears in the second group of the second period.
 
  Indicate whether the statement is true or false

Question 2

Phosphates were once a common component of laundry detergents because they soften water. Why has their use been restricted?
 
  A) The phosphates are poisonous to plants.
  B) The phosphates are plant nutrients that lead to excess algae growth.
  C) The phosphates were getting into human drinking supplies.
  D) The phosphates diminished the supply of calcium found in cow's milk.


alvinum

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Fossil from the Carboniferous period Fossil from the Carboniferous period
magnesium magnesium
A Recently Discovered Member of the Local Group A Recently Discovered Member of the Local Group
Notice how clean the engine appears. This is a testament of proper maintenance and regular ... Notice how clean the engine appears. This is a testament of proper maintenance and regular ...
40th Week pregnancy period baby 40th Week pregnancy period baby
Embryonic Period - 8th week Embryonic Period - 8th week
Video: Introduction to Dysrhythmia

For a complete list of videos, visit our video library