Author Question: During the 19th century, as populations grew and urban environments expanded, humans had less ... (Read 31 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
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?


dellikani2015

  • Sr. Member
  • ****
  • Posts: 332
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
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

For a complete list of videos, visit our video library