« previous next »

Author Question: Which statement best describes radon? a. a radioactive gas emitted from the Earth's crust b. an ... (Read 133 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
on: Jul 11, 2018
Which statement best describes radon?
 a. a radioactive gas emitted from the Earth's crust
  b. an odorless, colorless gas that is a major source of pollution
  c. carbon-based source of energy derived form the deposits in the Earth
  d. an extremely reactive form of oxygen that is a major constituent of smog

Question 2

Common conditions that lead to lead poisoning include all of the following except:
 a. older homes with dilapidated lead paint.
  b. eating paint chips that contain lead.
  c. ingestion of household dust that contains lead.
  d. drinking water that has passed through corroded plumbing.


yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 11, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

The Sun as it appears from the surface of Earth during the middle of the day The Sun as it appears from the surface of Earth during the middle of the day
Earth’s Major Tectonic Plates Earth’s Major Tectonic Plates
Earth, water, air Earth, water, air
Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his
Earth-Sun Relationships Earth-Sun Relationships
Types of Radioactive Decay Types of Radioactive Decay
Video: Glycolysis Animation

For a complete list of videos, visit our video library