« previous next »

Author Question: The threshold level for harmful effects of toxic pollutants is most closely related to the A) ... (Read 58 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
on: Jul 16, 2018
The threshold level for harmful effects of toxic pollutants is most closely related to the
 
  A) first appearance of chronic effects.
  B) time of day of exposure.
  C) concentration of exposure.
  D) concentration and duration of exposure.

Question 2

Regions where humans produce high levels of aerosols and dust will most likely experience
 
  A) less rainfall, reduced solar radiation to the Earth's surface, and cooler temperatures.
  B) less rainfall, increased solar radiation to the Earth's surface, and higher temperatures.
  C) more rainfall, increased soil nutrients, and reduced solar radiation to the Earth's surface.
  D) more rainfall, decreased soil nutrients, and increased solar radiation to the Earth's surface.


TINA

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 16, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Stimulant Effects on the Brain Stimulant Effects on the Brain
Shy children often have a high arousal level in novel social situations. Over time, parents can help ... Shy children often have a high arousal level in novel social situations. Over time, parents can help ...
Procedures and Diagnostic Tests Related to the Urinary System Procedures and Diagnostic Tests Related to the Urinary System
Participating in religious services is related to better coping skills, less severe stress ... Participating in religious services is related to better coping skills, less severe stress ...
Homeostasis and negative feedback as related to control of body temperature. Homeostasis and negative feedback as related to control of body temperature.
Drive-on ramps are dangerous to use. The wheels on the ground level must be chocked (blocked) to ... Drive-on ramps are dangerous to use. The wheels on the ground level must be chocked (blocked) to ...
Video: Ear Animation

For a complete list of videos, visit our video library