Environmental Geography Test 3

Risk is expressed as a probability of suffering from all of the following, except

All of the following are considered to be cultural hazards, except

All of the following are considered to be biological hazards, except

All of the following are considered to be natural hazards, except

A transmissible disease is not likely to be caused by a

All of the following are transmissible diseases, except

A global outbreak of an infectious disease is called a(n)

Tuberculosis is caused by

Which of the following not a reason the incidence of tuberculosis is increasing?

All of the following are viral diseases, except

Malaria is spread by

Since 1970 the occurrence of malaria has

The top toxic substances in terms of human and environmental health include all of the following, except

The effects of neurotoxins can result in all of the following, except

Teratogens

Birth defects can be caused by all of the following, except

Carcinogens cause

The system responsible for defense against disease and harmful substances is the

This term refers to the amount of a substance a person ingests, inhales, or absorbs through the skin.

___ relates to the increase in the amount of a potentially toxic substance as it passes through food chains and webs.

The ability of a substance to cause injury, illness, or death to a living system, is

This term refers to a substance’s resistance to breakdown.

The root cause of food insecurity is

The term undernutrition refers to people who consume

Many of the world’s poor only have access to a low-protein, high-carbohydrate, vegetarian diet and suffer from

A severe shortage of food leading to mass starvation, many deaths, economic chaos, and social disruption, is called

Anemia may be the result of a deficiency in

Approximately 26 million children each year suffer irreversible brain damage from lack of which of the following?

The term overnutrition refers to

Overnutrition and undernutrition both face all of the following health problems, except

Today in America, four of the top ten causes of death are diseases related to diet including all of the following except

The major goal of industrialized agriculture for any crop has been to steadily increase its

Which of the following soil horizons is considered topsoil?

Irrigating crops creates a number of problems. Which of the following is not one of those problems?

What is the largest cause of soil erosion?

When the productive potential of soil, especially on arid or semiarid land, falls by 10% or more because of prolonged drought and human activities, it is called

Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil, a process called

Genetically modified crops and foods have all of the following advantages, except

Four of the following are advantages of using aquaculture to produce fish; one is a disadvantage. Choose the disadvantage.

One of the most important characteristics of a pesticide is how long it will stay deadly in the environment, a characteristic called

All of the following are alternatives to using pesticides, except

The best way to maintain soil fertility is through

It is more energetically efficient for us to eat more ________________

Carcinogens may be difficult to identify because

Rachel Caron’s book Silent Spring focuses primarily on the environmental problems associated with

If GMO crops can decrease pesticide use, why are environmentalists still concerned about them?

The worldwise drop in sperm counts among men has been attributed to

Synergistic effects of toxicants

What are the properties of toxicants that are likely to build up in animals through bioaccumulation?

Mercury is not readily excreted; it is stored in mammalian body tissues. This is best described as