How are igneous rocks formed?

a. compaction and cementation of sediments
b. cooling and solidification of magma
c. weathering of rocks
d. application of pressure and heat to sedimentary rocks

the answer is yes, they are born/created, then they grow to their limit then produce offspring, then die.

answer; /// i do believe the correct answer is (

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.