Calcite leaves a white streak color. what other mineral might also leave a white streak?

Which of the following is an example of relocation diffusion

Afootpath is to be constructed in a park in the shape of a parallelogram. when a coordinate plane is laid over a map of the park, the vertices of the footpath are (-4,2) (8,2) (11,7) and (-1,7). what is the perimeter of this path

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."