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ddd [48]
3 years ago
10

Ecosystem ecology refers to how ______ and ________ come into an environment and move around.

Biology
1 answer:
Paul [167]3 years ago
3 0

1. biotic

2.Natural environment

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What is clearcutting?
liq [111]

Answer:

cut down and remove every tree from (an area)

Explanation:

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2 years ago
Which source creates the most direct pollution?
Otrada [13]

Answer:

Water pollution is one of  the most common type of pollution that leads to the deterioration of the water quality mainly due to the man-made interference. Direct and indirect pollution are two of its types. Direct pollution as the term suggests refers to the direct flow of pollutants in the water in contrast to the indirect pollution that  accounts for the transport of pollutants eventually to the water body.

Explanation:

Direct pollution is characterized by the release of toxic fluid directly in the water body. The main source of this type of pollution are the toxic pollutants from the large factories. Some of the other sources includes solid waste from the household activities and waste from agricultural practice like fertilizers, and the waste generated by the waste water treatment plant.  

7 0
3 years ago
State why iodine is described as a p block element​
pychu [463]

Answer:

Group 17  Melting point 113.7°C, 236.7°F, 386.9 K  

Period 5  Boiling point 184.4°C, 363.9°F, 457.6 K  

Block p  Density (g cm−3) 4.933  

Atomic number 53  Relative atomic mass 126.904  

State at 20°C Solid  Key isotopes 127I  

Electron configuration [Kr] 4d105s25p5  CAS number 7553-56-2

Explanation:

4 0
2 years ago
What is the process of the ocean floor adds new material to its ocean floor called?
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Sea floor spreading. 
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What provides an explanation for the presence of mitochondria and chloroplasts in present day cells?
Sav [38]
The general theory is that mitochondria and chloroplasts began initially as separate cells that were "eaten" by larger cells, but not digested and simply passed on due to their advantages.<span />
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3 years ago
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