Lamarck's theory was called the theory of acquired characteristics and Darwin's was called the theory of evolution by natural selection.
so they both had to do with people and how phycology works
Sound waves<span> coming from farther above, where it is warmer, will experience a refraction. The change in speed from the warmer </span>air<span> to the cooler </span>air<span> causes a bending effect, as the </span>sound travels<span> downward.</span>
Answer: A. virus strains multiplied in cell cultures
The answer is B because A is being changed .
