There's four stages in the classical demographic transition model:
Stage 1 - Pre-transition
In this stage, the birth rates are very high, but also the life expectancy is very low, thus the growth of the population is slow.
Stage 2 - Early transition
In this stage, the birth rates are very high, but the life expectancy is increased, so the population grows rapidly.
Stage 3 - Late transition
In this stage, the birth rates decline slightly, and the life expectancy is a bit higher, thus the population growth is slowing down.
Stage 4 - Post-transition
In this stage, the birth rates are declined significantly, the life expectancy is pretty high, so the population is either growing very slowly, or it is declining.
Answer: For instance, plants (biosphere) grow in the ground (geosphere), but to survive they absorb water (hydrosphere) and carbon dioxide (atmosphere). Nor are plants merely absorbing: they also give back oxygen to the atmosphere, and by providing nutrition to animals, they contribute to the biosphere.
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Explanation:
Answer:
A. 30 %
Explanation:
As there are 6.5 million species on land and 2.2 million in water i.e around 25 % of species including 5 % of freshwater species in oceans, thus the 80% of species on earth make up most of the terrestrial animal composition of meat and other animal products like beef, pork, chicken and other land and animals found in mountains , plains and plateaus they maybe either in Arid, semi arid and desert regions.
Answer:
(B) Wind turbines convert potential energy into kinetic energ
1. The Andes runs through the seven countries of <span>Venezuela, Ecuador, Colombia, Bolivia, Peru, Argentina and Chile.
2. Broad-leaf Evergreen forest is the most common type of vegetation in Latin America. Brazil has the most land with this type of vegetation.
3. Mexico City is the most populate city north of the equator. The three most populous cities south of the equator are </span><span>Buenos Aires, São Paulo, and Rio de Janeiro.
4. Oil is the most abundant resource in Latin America. Venezuela and Mexico have the most oil in Latin America.
5. This feature found here is </span><span>the Isthmus of Panama. It is in the country of Panama.
6. These three are </span><span>Suriname, the French Guiana, and Guyana.
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