Answer:
A. Predicting
Explanation:
A responding variable is a variable that the researcher predicts will change if the manipulated variable changes.
0.47 is the white spot allele frequency.
It is C. Nitrogen. Nitrogen is 78% of the atmoshere
i think its B
a.energy source ,either sunlight or chemicals
the animals using sunlight are known as photoautotrophs and the animals using chemicals are known as chemoautotrophs.