Barrons AP Environmental Science

(A) Population momentum is the tendency for changes in population growth rates to lag behind changes in childbe ...

(D) In the pre-industrial stage, living conditions are harsh, birth and death rates are high, and there is litt ...

(B) Countries with high infant mortality rates generally have high TFRs. FREE-RESPONSE ANSWER 10 Tot ...

(c) Maximum 2 points total, 1 point for each factor described. Identify TWO factors that may have accounted ...

the ore through a technique called “heap leaching.” The ore containing the gold is crushed, piled into hea ...

(D) Chronic malnutrition is defined as receiving fewer than 2,000 calories per day. People who live in d ...

(B) There are many reasons why certain species decline and become endangered; however, most environmentalists agr ...

(B) The second law of thermodynamics states that there is about a 10% loss in each successive higher troph ...

(C) Wheat and rice supply approximately 60% of worldwide human calories. ...

(D) See the “Types of Agriculture” section for a more detailed explanation about alley cropping. ...

(C) Droughts, pestilence, AIDS, and civil strife in this area have had serious impacts on food production ...

(C) Combining genes from different organisms is known as recombinant DNA technology, and the resulting organi ...

(C) Despite the rapid growth in urbanization in Asian and African countries, their current percentage of people ...

(B) Protein malnutrition, more commonly referred to as protein-energy malnutrition, is the most lethal for ...

(C) There is a limit to crop yield versus fertilizer application. Additional fertilizer past a certain ...

(E) Aeolian soils are sand-sized particles transported by wind action. ...

(B) About one-third of Earth’s surface is covered by forests. ...

(E) The largest cities in the world are Tokyo (Japan), Bombay (India), Lagos (Nigeria, Africa), and Dhaka (B ...

(C) Designing affordable and fuel-efficient cars would increase the number of automobiles already in cities sin ...

(C) As late as the 1850s, wood supplied over 90% of the energy requirements in the United States. Half ...