Answer:
Complex System
Explanation:
Given that, a descriptive scientific investigation is one of the three main types of investigation which formulates and quantify the natural phenomenon. This natural phenomenon oftentimes involves Complex System, such as microscopic organisms, thereby, scientists often make observations to understand the interacting parts of this COMPLEX SYSTEM
Hence, the right answer is a COMPLEX SYSTEM
NaCl:
Na = + 1
Cl = - 1
hope this helps!
Answer:
B 24 m west I belive that it is the answer
Explanation:
I don't think human beings will ever extinct
cause they are smart and adaptive