It's A. Primary succession :) because Human economics and ecology are linked together because human economics utilizes the ecosystem and the natural resources in older for economics to actually exist. :)))))))
1. Melting and boiling point increase as the atomic number increases.
Answer:
Temperature
Explanation:
An experiment has an independent variable which is a factor changed during the experiment. Effect of changes in the independent variable on the dependent variable is seen during the experiment.
According to the question, the experiment was set to observe the effect of temperature on bacterial growth. The bacterial population was exposed to different temperatures. Since the temperature was changed to observe its effect on bacteria growth, the temperature is the independent variable here.
I think itts virchow
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An ion. When it loses electons, a positive ion is formed. When it gains electons, a negative ion is formed.
