For each key characteristic, list whether it is found in sedimentary, igneous, or metamorphic rock: Fossils:
Crystals:
Gas bubbles:
Glassy surface:
Foliation:
Sand or pebbles:

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck

climate change and pollution

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's