b. railroad workers
c. Masai
d. Mau Mau
B. Collectivization
C. Five-Year Plan
D. Communism
The correct answer is - A. The Great Leap Forward.
The Great Leap Forward was a failed policy of Mao Zedung. This policy was aiming at making the country an industrial production super power with making industrial facilities for production so that the country is not exporting raw goods anymore but produce them and lift the economy up. But as most policies of the socialist countries in this period, this policy has failed, mainly because of bad planning and very estimates about the market, so instead of making China stronger, this put China into a worse economic position.
Answer:Traditional economy
Explanation:
Traditional economy is known to be an economy in which tradition and customs dominate the society. Furthermore, the means of production and distribution are also determined by tradition and customs. Thus, the economy rest on agriculture, hunting, fishing, gathering and so on. Hence, it is an economy in which the farmers plant and harvest crops and also raise livestock for himself and his family. It is also known as subsistence economy.
The major reason for the oceans producing only 9% of Earth's biomass is d - Primary producers in the oceans are in effect limited by nutrients.
This is because the availability of essential nutrients such as nitrogen and phosphorus is limited in the ocean, and this limits the growth of primary producers such as plankton and seaweeds, which are the basis of the ocean food web.
As a result, there is much less biomass produced in the ocean than on land.
Final answer:
The major reason for the difference in biomass production between the world's oceans and land is the limited availability of nutrients for primary producers in the oceans and the complexity of food chains, resulting in a higher loss of biomass.
Explanation:
The major reason for the difference in biomass production between the world's oceans and land is the availability of nutrients and the complexity of food chains in the oceanic environment.
In the oceans, primary producers, such as phytoplankton, play a crucial role in biomass production. These microscopic organisms rely on nutrients like nitrogen and phosphorus to grow and reproduce. However, the availability of these nutrients in the ocean is often limited, which restricts the growth of primary producers and subsequently reduces the overall biomass production.
Furthermore, the food chains in the ocean are much more complex compared to those on land. As energy is transferred from one trophic level to another, some energy is lost as heat or used for metabolic processes. This energy loss results in a decrease in biomass at each successive trophic level. The complexity of the food chains in the ocean leads to a higher loss of biomass, contributing to the lower overall biomass production in the oceans.
Human activities, such as overfishing and pollution, also contribute to the decline in marine biomass. Overfishing disrupts the balance of marine ecosystems, leading to a decrease in the population of certain species and a subsequent decrease in biomass. Pollution, including nutrient runoff and oil spills, can also negatively impact marine ecosystems and reduce biomass production.
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