Look it up online, look up a copy of the Articles of confederation and fill it in! Best I can do for you my friend
Answer:
Answer is A. allow them to control all the variables involved.
Explanation:
Modelling in ecology means the use of constructed mathematical models for understanding of ecological processes and to predict or know how real it is for ecosystem to change.
Ecological modelling is useful in defining problems more precisely and clarity of concepts.
Its atomic mass determines its properties? hope this is correct
