Author Question: Although cement and concrete themselves are relatively non-polluting, their production and use are a ... (Read 50 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
Although cement and concrete themselves are relatively non-polluting, their production and use are a source of several potential environmental problems. Describe two examples.
 
  What will be an ideal response?

Question 2

Corrosion is caused by the reduction of metals.
 
  Indicate whether the statement is true or false



tofugiraffe

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

Extensive mining for limestone destroys the environment. The burning of fossil fuels releases sulfur dioxide and particulate matter is produced when rock is crushed thus creating air pollution.

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

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

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

For a complete list of videos, visit our video library