Answer:
The correct answer is :
Independent variable: study music.
Dependent variable: test performance.
Explanation:
Independent variable in a experiment is a variable or a factor that is manipulated or changed in a particular experiment to see its the effect on dependent variable of this change. In this case classical music is variable as it is manipulated to see if it has any effect on studying.
Dependent variable is a variable which is measured in experiment to find the result and affected by the independent variable. In this case testing the performance of subject is dependent variable as it is being measured and affected by classical music.
Thus, the correct answer is: Independent variable: study music.
Dependent variable: test performance.
By option A cell division.
<span>The question is asking us whether it is true that nonnative species disrupt the natural variability of an ecosystem. This is true. A famous example is the introduction of cats to Australia: they are non-native species and they hunt the native species, therefore reducing the species variability in Australia.</span>
Long strands of double-helical DNA fit into the nucleus of a single cheek cell, the double helix is packaged and wrapped around proteins, folded back onto itself and coiled into a compact chromosome. 4.
Answer:
The answer is Animals adapt to their surroundings to improve survival rates.
Explanation:
This is because even if they increased reproduction rates it wouldn't matter if they are dying.
