By disposing of solid waste properly, humans protect the Earth's rich topsoil from contamination which is essential to agriculture and the sustainability of human life. What is the correct place to dispose of non-hazardous solid waste? A) landfill B) reservoir C sewer system D) treatment plant​

The picture below shows two galaxies. spiral galaxy and elliptical galaxy which of these statements best describes a similarity between the two galaxies? (2 points) both have elongated centers. both have centers shaped like bars. both change their shape from time to time. both are held together by gravitational forces.