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Sergio039 [100]
3 years ago
6

What does a scientific theory do

Biology
1 answer:
nordsb [41]3 years ago
8 0

<span>A scientific theory summarizes a hypothesis or group of hypotheses that have been supported with repeated testing.A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world.</span>

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As part of an experiment on circadian rhythms, a laboratory rat’s brain has been lesioned. The animal is now falling asleep and
Sergio039 [100]

Answer:the part of the brain that has most likely been damaged in this experiment is the suprachiasmatic nucleus (SCN) found in the hypothalamus of the brain.

Explanation:

circadian rhythms are behavioural changes that respond to light and darkness in an organisms environment. The sleep-inducing wake cycle is a good example of a circadian rhythm. In the experiment, the disruption of the mouse SCN led to development of imbalances in the circadian rhythm of sleep and wake cycle leading to falling asleep and waking up at random times of the day and night. I hope this helps. Thanks

3 0
3 years ago
23. Economic systems_____
stealth61 [152]

Answer:

Option A

Explanation:

Most of the human economic systems if not all operate with the human natural systems. Human economic system and natural systems almost dependent on one another in that they are linked by a network of interconnected  processes; for example, human economic activity depend on natural, including a maintained system of primary productivity such as forests and agriculture etc.

8 0
3 years ago
Which homeostatic process moves particles against a concentration gradient?
Murrr4er [49]
Active transport
Hope this helped :) 
8 0
3 years ago
Read 2 more answers
La unidades en que se mide la<br> frecuencia en el sistema<br> internacional es.<br> ?
tatiyna

Answer:

hercios

Explanation:

Según el Sistema Internacional (SI), la frecuencia se mide en hercios (Hz), en honor a Heinrich Rudolf Hertz. Un hercio es la frecuencia de un suceso o fenómeno repetido por segundo. Así, un fenómeno con una frecuencia de dos hercios se repite dos veces por segundo.

3 0
3 years ago
Please help with 10-15.
larisa [96]
10 is 4
11 is 3
15 is 3 (where it says 3 ok)
5 0
3 years ago
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