The land area that contributes water to a stream is called a

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Which description shows competition in an environment? an organism that feeds on some food an organism that finds a place to sleep three organisms of the same species living in an area three organisms battling over limited resources

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?