Igneous rock is formed by the cooling and solidification of molten earth materials. igneous rock forms when magma or lava cools. if igneous rock forms above ground after a volcanic eruption, it forming igneous rock, such as obsidian which is a naturally occurring volcanic glass. a) cools quickly, extrusive b) cools quickly, intrusive c) cools slowly, extrusive d) cools slowly, intrusive

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In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules,vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above