Scientific experimentation is important in that it allows the experimenter to <u>confirm the hypotheses with certainty.</u>
There is a wide range of approaches used in the scientific method, the most well-known of which is experimentation. While all of these techniques take a scientific approach, only through experimentation can specific characteristics of an actual system be manipulated and the results observed. If your mobile isn't getting a good signal, you can try wandering around until you find a cell phone tower, watching other people using cell phones to discover where they get the best reception, or searching online for a map of cell phone signal coverage. All of these techniques have the potential to yield results, but moving around and testing reception on your own is an experimental approach.
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Answer:
<u>Option-</u>D
Rachels argues that our feelings are important but, also, they must be guided by the following:
- Correct religious views.
- Correct laws.
- Reason, including the principle of impartiality (and other ethical principles).
Answer and Explanation:
Alligators and crocodiles are ectothermic animals and that is the main reason for them to look for the aquatic environment to spend most of their time. This is because these animals do not have internal thermoregulation mechanisms and are cold-blooded animals. This lack of thermoregulation makes them directly dependent on the sun and water to maintain a constant body temperature. They also need water to decrease heart rate depending on the need. When necessary, they enter the cold water that constricts the peripheral circulation vessels and maintains a reduced oxygen supply, using less body energy.
Alligators and crocodils feed mainly on fish and mollusks and for this reason, the aquatic environment is ideal for them. In this environment they are able to spend many hours hidden from predators, which makes them use this environment to take refuge.
