I believe that it consists of about 3 billion letters/base pairs
First answer is , as the work of ventricle is to push blood to he whole body , so it has to be strong or it can not pump blood to head to the toe !
as in frog (an amphibian ) it has only three chambers as two artia and one ventricle, so the oxygenated blood from left artia and deoxygenated blood from right , combines and thus partial oxygenated blood is circulated !
Answer:
C. Cheaper than producing electricity from coal oil gas.
Explanation:
Nuclear plants and energy has been proven to be cheaper than most, Low fuel costs have from the outset given nuclear energy an advantage compared with coal and gas-fired plants. Uranium, however, has to be processed, enriched and fabricated into fuel elements, accounting for about half of the total fuel cost.
Ernst Haeckel.
Hope this helps! :)
