Explain why predicting our future oil supply is controversial and involves some uncertainty.

Aeukaryotic cell must be from a plant if the cell a) a nucleus b) a nuclear envelope c) cytoplasm d) a cell wall

Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.

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