C and b how old r u.............................
Answer:
A. q 0.55
Explanation:
Frequency of genotye "BB" 
Frequency of genotye "bb" 
Frequency of genotye "Bb" 
Frequency of bb is represented as "
" as per Hardy Weinberg's principle.
Thus, frequency q of the recessive allele b is represented by
Hence, option A is correct.
The correct answer would be D. Mollusca.
The question is basically describing a snail.
Arthropoda have segmented bodies.
Echinodermata(starfishes, sand dollars etc.) are radially symmetrical.
Also none of them have shells except phylum Mollusca :)
Explanation:
Both solar power and wind power are two sources that aim to generate energy in a manner that is clean and efficient. They only differ in the way that they achieve that aim: solar power makes use of the sun (both light and heat) while wind power makes use of the wind
