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Katarina [22]
3 years ago
6

Many farmers in less densely populated areas, such as amazonia, practice _______________, also known as shifting cultivation or

swidden agriculture where an area is cleared and then burned for the vegetative remains to release nutrients back into the soil.
Biology
1 answer:
Norma-Jean [14]3 years ago
7 0
Many farmers in less densely populated area, such as Amazonia, practice slash and burn agriculture, also known as shifting cultivation or swidden agriculture where an area is cleared and then burned for the vegetative remains to release nutrients back into the soil. Shifting cultivation is a system where a farmer uses a piece of land, only to abandon or alter the initial use a short time later. Advantages of shifting cultivation includes; enhance control of pest and disease, inorganic matter addition which provide nutrient to crop, an effective way of weed control
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The correct answer is true.

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Explain the concept of wave-particle duality?
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Wave–particle duality<span> is the </span>concept<span> that every elementary </span>particle<span> or quantic entity may be partly described in terms not only of </span>particles, but also ofwaves. It expresses the inability of the classical concepts<span> "</span>particle" or "wave<span>" to fully </span>describe<span> the behavior of quantum-scale objects.</span>
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The illustration shows one of the ways resources are removed from the deep sea. Describe what type of resources these are, inclu
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Answer:

Marine mining is a process that can be done by dredging the seabed and is used for the extraction of mineral resources from the seabed, which are non-renewable, with a negative impact on marine ecosystems.

Explanation:

The illustration shows a process of marine mining by dredging, where the resource extracted is of a mineral nature, like copper, zinc, silver and gold. Gravel used for construction can also be extracted from the sea. Mineral resources extracted from the sea are not renewable.

The process of marine mining can be harmful to the ecosystems there, so it must be a process that requires control and management from the ecological point of view.

Two possible consequences of not regulating marine mining are:

  1. <u><em>Destruction of the habitat of life forms present on the sea floor</em></u><em>, which endangers many species and even forces migration to more stable areas, with consequences on the food chains. </em>
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Responsible and controlled mining activity can be useful for humans, while avoiding negative consequences on the ecosystems that exist at the seabed.

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The cell cycle of yeast cells grown in the nutrient-poor environment is approximately what percent of the cell cycle of yeast ce
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Upon nutrient limitation, budding yeast will produce daughter cells less than 20% of the mother cell size. This asymmetric division may select for growth functions that are efficient over a larger range in cell sizes, such as exponential growth. In turn, efficient growth over a large size range lessens the pressure to have precise size control.

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In wild-type cells growing in nitrogen-rich medium, the size threshold to enter mitosis is high, and the G1/S size control is cryptic because cell division produces daughter cells with a size greater than the minimum required to initiate S phase. In these conditions, G2 is long and G1 is short. However, the cell size threshold to enter mitosis is greatly reduced when wild-type cells are shifted to medium with a poor nitrogen source, such as minimal medium with proline, isoleucine, or phenylalanine. In these conditions, wild-type cells initiate mitosis at a reduced cell size, generating two daughter cells that are smaller than the critical size threshold required to progress through G1/S

3 0
3 years ago
Women gives birth to a baby boy. A few years later she gives birth to another baby boy. What is the probability that her third c
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Answer:

50 %

Explanation:

It is given that a woman gives birth to a baby boy. Her second child is also a baby boy. Now she is about to give birth to her third child. We have to determine the probability of the child to be a girl.

Here, the probability of the child to be a girl would be 50 % or 1 out of 2.

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Also each child birth is an independent event, so the probability that the one results will occur do not depend on the previous births.

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