Answer:
The correct answer will be- complex system.
Explanation:
A scientific investigation is performed to understand and explain the natural phenomenon using the scientific method.
An investigation is performed in one of the three ways: descriptive, comparative and experimental.
In the descriptive investigation, the investigation provides a descriptive account of any "complex system" by observing it when no prior knowledge is known. Therefore this method does not include the formation of a hypothesis.
Thus, complex system is the correct answer.
Answer:
A
Explanation:
the Giant impact hypothesis formed when an object smashed into early Earth.
Answer:
If all frogs were to die off, a valuable food source will go missing in the food chain of many animals around the world after that the number of animals that eat the frogs will die off, then the animals that eat them will go hungry, and their populations will be devastated as well.
Answer:
d) all of the above
Explanation:
Fire destroys everything....
Pseudoscience means its a real study, when they cant find evidence of something they just forget about it, unlike with science where evidence is studied and not thrown away.