Which of the following best describes parent rock?
a)crushed gravel added to depleted soil to provide nutrients

b)the lowest layer of the soil horizon, containing little or no organic matter

c)high-nutrient igneous rock like obsidian, extruded from the earth’s magma

d)the primary stone sheet from which a boulder or stone originated

Iread this book last year so take this with a grain of salt.gene jumps from the tree to compete with finny due to the fact that gene is always trying to do better than finny. he is put under the grasp of peer pressure due to finny almost forcing him to do this. ever since he first jumped finny kept pressuring him to jump since he thought gene enjoyed jumping.rather than uses this answer you should probably just reread chapters 3-4

Divide 108.2 x 10^6 into 1.5 x 10 and the result will be in au (astronomical units)

Hey can someone me with my homework

It equals just about 6,300 km per hour each day an week