« previous next »

Author Question: During the 19th century, as populations grew and urban environments expanded, humans had less ... (Read 62 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
on: Jul 14, 2018
During the 19th century, as populations grew and urban environments expanded, humans had less exposure to ________.
 
  A) air pollutants
  B) natural environments
  C) animals
  D) water
  E) chemicals

Question 2

What types of geologic evidence are diagnostic of glaciation?
 
  What will be an ideal response?
The Environment and You ¦ Christensen, Leege ¦ 2nd Edition
Buy Test-Bank


dellikani2015

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 14, 2018
Answer to Question 1

B

Answer to Question 2

In addition to topographic features left by glaciers (such as karsts and kettles), geologic evidence includes glacial till, rock striations, and loess. Geochemical evidence includes changes in the 18O of seawater.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

The age structure of human populations in West Africa and Western Europe, as of 2000. The age structure of human populations in West Africa and Western Europe, as of 2000.
Like humans, monkeys need interaction to thrive. Those raised in isolation are unable to interact ... Like humans, monkeys need interaction to thrive. Those raised in isolation are unable to interact ...
To search for the Native American family would be fruitless. There are rural, urban, single-parent, ... To search for the Native American family would be fruitless. There are rural, urban, single-parent, ...
Urban Agriculture in Havana Urban Agriculture in Havana
Directional artificial selection favoring the AdhF allele in experimental Drosophila populations. Directional artificial selection favoring the AdhF allele in experimental Drosophila populations.
Differential genomic imprinting of chromosome 11 in humans Differential genomic imprinting of chromosome 11 in humans
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

For a complete list of videos, visit our video library