Select all that apply.

the most abundant elements in the body are

sulfur
hydrogen
calcium
carbon
nitrogen
boron
oxygen

Which of the following graphs have the same wavelengths

Do you think humans have a moral obligation to preserve the habitat of the chimpanzee

When wind creates a sand dune, the sheltered side of the dune is less steeply sloped than the windward side has the same incline as the windward side is more steeply sloped than the windward side