Does longer wavelength give more or less energy? explain

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

In the practice of science, this type of reasoning is used to develop explanations.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata