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Veseljchak [2.6K]
3 years ago
11

Which of the following is a testable hypothesis?

Biology
2 answers:
il63 [147K]3 years ago
7 0
B is the correct answer because none of this that you put are testable.
kupik [55]3 years ago
6 0

Answer:

B. because it's something u can actually do it,  and it's more reasonable

Explanation:

an example for a hypothesis could be, If a gets at least 5 hours of sunlight per day, then it will grow. I hope this helps you :)

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Explanation:

true

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If individuals with this trait survive the season and breed, what would best
timama [110]

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The mutation in which a chromosome carries repetitive sets for a gene is called a
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1. List 2 interactions between the earth spheres and the water cycle.
Harrizon [31]

Answer:

The carbon cycle, as the nitrogen cycle, occurs in all the spheres: Biosphere, Atmosphere, Geosphere and Hydrosphere.

Explanation:

Most Earth events involve interaction between multiple spheres. For example, rain is the movement of water (the hydrosphere) from the atmosphere to the lithosphere where it collects in lakes, rivers, or streams. Water is an important resource for inhabitants of the biosphere.

The Atmosphere-contains all the air in Earth's system. The upper portion of the atmosphere protects the organisms of the biosphere from the sun's ultraviolet radiation. It also absorbs and emits heat. This sphere is also where weather occurs.

The nitrogen cycle occurs in all the spheres and ecosystems. It passes through rocks, water, atmosphere, plants, etc.

In atmosphere and biosphere: Nitrogen is about 78% of the gases in the atmosphere an it’s a essential component of the living organisms. It enters plants through the microorganisms that convert this nitrogen into ammonia. After this conversion, the plants absorb this substance. It can pass to animals when they eat these plants. Then, when they urinate, bacteria convert ammonia to nitrogen again and it returns to the atmosphere.

Sources:

https://earthsphereslife.wordpress.com/2020/03/31/nitrogen-cycle/https://earthsphereslife.wordpress.com/2020/04/01/carbon-cycle-in-all-the-spheres/

4 0
2 years ago
Please explain why the gastric glands secret pepsinogen and not pepsin
Luba_88 [7]

Answer:

The correct answer is - to protect the cells of these secretory glands from pepsin.

Explanation:

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Pepsinogen is activated by acidic pH to pepsin of the stomach lumen and the cell lining of the stomach is protected by mucus lining.

6 0
3 years ago
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