« previous next »

Author Question: Some environmental changes that occur on Earth accumulate very slowly so that careful scientific ... (Read 71 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
on: Aug 7, 2018
Some environmental changes that occur on Earth accumulate very slowly so that careful scientific study over the long term is required to understand what is occurring.
  Indicate whether the statement is true or false

Question 2

The two most common elements found in Earth's crust are ____.
 a. silicon and magnesium
  b. sodium and carbon
 c. iron and aluminum
 d. silicon and oxygen
 e. carbon and potassium


jomama

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Aug 7, 2018
Answer to Question 1

T

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Coelacanth Genes Mapped, "Living Fossil" Evolved Slowly Coelacanth Genes Mapped, "Living Fossil" Evolved Slowly
Benvenuto Cellini, Saltcellar: Neptune (Sea) and Tellus (Earth). Benvenuto Cellini, Saltcellar: Neptune (Sea) and Tellus (Earth).
Hierarchy of scientific evidence Hierarchy of scientific evidence
Chronic disease is caused by a mixture of genetic and environmental influences Chronic disease is caused by a mixture of genetic and environmental influences
Earth’s Major Lithospheric Plates Earth’s Major Lithospheric Plates
Precession of Earth Precession of Earth
Video: Introduction to Photolithography - WC, BLF, PA, Hard and Soft baking

For a complete list of videos, visit our video library