A seems most likely, check with others if u have the time
A the toy loses energy Bc it’s getting used
What was the investigation? But from my best guess I'm assuming it's the second option. This may be incorrect.
<span>Alleles are usually represented by three different methods using two alphabets; when the two alphabets are small letters, it means that both alleles are recessive; when the two alphabets are capital letters, it means that both alleles are dominant and when one of the letter is capitalized and the other a lower case, it means that one of the allele is dominant while the other is recessive. Genotype CC means that the two alleles for curly hair are dominant.</span><span />
I've learned that the circulatory system is responsible for transporting nutrients and blood throughout the entire body :D
