Material through which water readily flows is termed ____.
Material through which water flows is permeable. This material can be either natural or artificial. Naturally permeable material can be clean sand and gravel for example, or a sandstone and in the latter case the sandstone can have both porosity which is not synonymous with permeability as the pores must be connected to be permeable. An impermeable membrane could be used to line ditches for example to prevent leakage near mines.
In Dobereiner's classification system, the atomic mass of the middle element could be estimated by A. finding the difference between the atomic masses of the other two elements in a triad B. finding the product of the atomic masses of the other two elements in a triad C. averaging the atomic masses of the heaviest and lightest elements in a triad D. adding the atomic masses of the other two elements in a triad
2 ) suppose you discovered a new element with 120 protons and 2 electrons in its outermost energy level (valence shell). a. in which group does this new element belong? b. is this new element a metal, a nonmetal, or a metalloid? explain your reasoning.
Most _____ require you to have participated in community service and extracurricular activities to be admitted. A. apprenticeship programs B. community colleges C. vocational schools D. four-year colleges