Which of these are made up of matter? check all that apply. parts of outer space where there is no air or atoms salt dissolved in water air in the lower levels of the earth’s atmosphere leather made from cow hides metal after if has been molded

Several processes form metal ore. match each process to its description. volcanic activity weathering hydrothermal energy rocks break down as they interact with air and water. arrowright density differences and other factors cause metals to concentrate in igneous rocks. arrowright seawater heats up from contact with hot rock, and metals dissolve in it. the water rises and contacts cooler water, causing metal ores to settle on the ocean floor. arrowright

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.