Light waves a) do not require a medium. b) can not travel in a vacuum. c) are not electromagnetic radiation. d) do not travel in straight lines from the source.

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Which of the following graphs have the same wavelengths

Involving transcription and translaton. explain the causes and effects of damage to the genetic code.