Answer:
C. experimental
Explanation:
Experimental variables are the variables that are changed during the experiments to observe the effects of these changes. An experiment usually has one or more experimental variables. An experimental variable that is changed to know its impact on some other variable is called the independent variable.
In the given experiment, goldfishes were exposed to various temperature conditions to observe the effect of temperature on respiration. Therefore, both temperature and respiration rate are the experimental variables here.
Answer:
A law is subject to change as new evidence is discovered
Biodiversity includes all living organisms that make up the biosphere, and all the different species and genetic differences within the biosphere, making the whole biosphere work together. ... Biodiversity is also important to health research and medical discoveries, things that change lives every day.
The amswer on which us population is currently exp. a mental disorder id D. 35 %