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VladimirAG [237]
3 years ago
15

An explanation of a natural phenomenon supported by many observations and experiments over time

Biology
1 answer:
Ugo [173]3 years ago
3 0

Answer:

Explanation of a natural phenomenon, supported by many observations and experiments over time, corresponds to a scientific theory.

Explanation:

A scientific theory begins with the observation of a natural phenomenon and the formulation of a hypothesis that explains its existence, which must be proven through observation and experimentation.

The approach of a theory follows the scientific laws and must be established on the basis of rigorous experimentation and measurement, establishing a relationship between what is observed and what can be proven, in such a way that a theoretical principle is elaborated to provide an explanation of the phenomenon.

A theory is subject to the scrutiny of the scientific community and can be refuted, when other data or experiments appear to oppose it. When the argument of a theory cannot be refuted, and is universally accepted, it becomes a scientific law.

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What process describes the transfer of heat through matter by molecular activity?
weeeeeb [17]

Answer: Option (a) is the correct answer.

Explanation:

Conduction is defined as the process in which there is transfer of heat through the material of substance due to the difference in temperature of adjoining regions.

For example, cooking omelet in a pan is a conduction process.  

Thus, we can conclude that out of the given options conduction is the process which describes the transfer of heat through matter by molecular activity.



8 0
3 years ago
Read 2 more answers
Identify the structures of the cells and the routes by which water and minerals pass through to the vascular tissue.
fomenos

Answer:

Xylem

Explanation:

Xylem is a conducting tissue found in vascular plants in which most plant use to obtain water and minerals they need through their roots. Water and mineral moves from the soil to roots to stems and to leaves. The minerals such as potassium (K+), Calcium (Ca2+) travels in dissolved for in the water with various organic molecules supplied by root cells.

Water and minerals enter the root by different paths but converge in the stele, or central vascular bundle in roots.

Water conducting cells is known as tracheary elements.

6 0
3 years ago
Cdk inhibitors inhibit the function of cyclin-dependent protein kinases. Different inhibitors display varying mechanisms of Cdk
madam [21]
<h2>c) is the correct option</h2>

Explanation:

Inhibition of Cdk activity occurs by Cdk inhibitory protein (CIPs)

  • A group of specific proteins called CIPs binds with active cyclin Cdk complex and cause their inactivation
  • Activated protein retinoblastoma (p53)act as transcriptional factor and induce synthesis of Cdk inhibitory proteins p21CIPs
  • p21CIPs is a Cdk inhibitory protein that binds and inhibit the activity of G1 Cdk cyclin complex as a result cell cycle arrest in G1 phase

8 0
3 years ago
Which of the following represents the correct order of the processes responsible for the formation of sedimentary rocks? cementa
stepladder [879]
The order for the formation of sedimentary rocks goes like this: Weathering, erosion, deposition, compaction, and cementation.

That's how the process goes, in order to from a sedimentary rock. I know this because, I looked in my science book and did some research online.

Hope I helped!

- Amber
7 0
3 years ago
At a conference, the speaker's grand finale was sautéing mealworms (insect larvae) in butter and serving them to the audience. T
valentina_108 [34]

Answer:

Chitin

Explanation:

Chitin is the polysaccharide that makes up the outer exoskeleton of many insects. It is a fibrous polymer, that is made up of chains of modified glucose molecules. It  is comparable in structure to cellulose, which makes up the plant cell wall. In function, it is more similar to keratin or collagen, although these are proteins.

Chitin is exclusively found in the arthropods, mollusks and fungi. It plays an important protective and structural role, giving organisms their tough outer exoskeleton or strong cell wall in the case of fungi.  

8 0
3 years ago
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