In descriptive scientific investigations, scientists often make observations to understand the interacting parts of a complex

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.

In descriptive scientific investigations, scientists often make observations to understand the interacting parts of a complex SYSTEM.

the answer is otpion c) understanding

he wants to be heard one more time. he wants to be understood. he needs the truth one more time.

the electromagnetic energy from the sun arrives in the form of visible and invisible light.