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Annette [7]
2 years ago
15

Is each statement below one of the defining characteristics of all life?

Biology
1 answer:
netineya [11]2 years ago
8 0
What statement below?
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Which of the following would be the most effective means of controlling current water pollution of US surface water?
Dovator [93]

Answer:

Shutting down factories that discharge materials to the rivers.

The largest sum of US pollution currently caused by factory-related substance

Explanation:

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2 years ago
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The most biologically devastating oil spills in the marine environment are usually a result of?
lions [1.4K]

The most biologically devastating oil spills in the marine environment are usually a result of the sinking of oil tankers.

An oil spill is a type of pollution that occurs when a liquid petroleum hydrocarbon is released into the environment, particularly the marine ecology.

Oil releases into the sea or coastal waterways are generally referred to as marine oil spills, however land-based spills are also possible.

Oil spills can result from crude oil discharges from tankers, sinking of oil tankers, offshore platforms, drilling rigs, and wells as well as refined petroleum products (like gasoline and diesel) and their byproducts, heavier fuels used by big ships like bunker fuel, or the spill of any oily waste or garbage.

Learn more about oil spills here brainly.com/question/12558255

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1 year ago
6/9 in decimal. <br><br><br><br> please help 100 points
vekshin1

Answer:

.66666666667

6 continues to repeat.

fraction can be reduced to 2/3

Use calculator or write out long hand

8 0
2 years ago
Please answer all :)
Serggg [28]

Answer:

i) Rusting occurs the least in tubes 2 and 3 because either of air and water which are necessary for rusting is absent in the two tubes respectively.

ii) Rusting occurs most in tube 1 because both air and water which are necessary for rusting are present.

Explanation:

Rusting is a chemical change which involves a redox reaction. During the process of rusting, metallic iron is oxidized to hydrated iron (iii) oxide by oxygen present in air.

For rusting to take place effectively, each of these three factors mist be available: metallic iron, oxygen and water.

In the figure above, the iron nails in the three tester tubes will rust to different extents based on the availability of the three factors.

In test tube 1, the iron nails will rust the most because all the three factors: metallic iron, oxygen present in air, and water are abundantly present.

In test tube 2, the iron nails will rust the least or not at all because boiling of water removes dissolved oxygen from water and the oil layer above the boiled water prevents entry of oxygen from air. Thus, the nail do not rust because one of the three factors for rusting to take place, in this instance, oxygen is absent.

In test tube 3, the iron nails rusts the least or not at all as well because moisture or water is absent. Calcium chloride, a drying agent removes all the moisture from inside the tube. Hence, even though air is present, rusting do not occur as there is no moisture or water present.

7 0
3 years ago
How many chromosomes do each ending cell of meiosis contain
Viefleur [7K]

(See figure below, where meiosis I begins with a diploid (2n = 4) cell and ends with two haploid (n = 2) cells.) In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).

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3 years ago
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