Answer:
From Natural Numbers to Integers
Early civilizations found different ways to write numbers, but they all started with the same set of numbers preschool children learn today: the natural numbers (also called the counting numbers). These are the numbers 1, 2, 3, and so on—the numbers we use when counting.
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They all have the same structure as the human.
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Answer:
cytokinesis
Explanation:
Telophase is the final stage of mitosis, occurring right after anaphase. The next step in the cell cycle is cytokinesis, which is when the cell itself finally divides into two cells. Hope it helps:)
Answer: Nitrogen stays in the air.
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-TanqR
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The given statement "wilderness ecosystems are dynamic, complex, and often fragile, and may be impacted by human use and activities occurring both within and outside wilderness boundaries," is true.
Wilderness ecosystems
The wilderness ecosystem is the ecosystem that has been left undisturbed by humans. There are many areas on the planet that are considered wilderness such as the Great Barrier Reef, the Amazon forest, etc. They are rich in both flora and fauna diversity.
In the United States, a total of 42× ha is under the protection of the National Wilderness Prevention System. They are the lands devoted to the protection of the natural ecosystem. Such an arrangement had to be made due to human encroachment and various other factors that affect the wilderness ecosystem. The main threats to the wilderness ecosystem are
- Using the land for recreational uses
- Grazing by livestock
- Forest fire
- Pollution
- Global warming
- Invasion of alien species
- The unnatural flow of water due to diversions, dams, impoundments, etc.
Learn more about ecosystems here:
brainly.com/question/12737609
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