Which organism has cerebral ganglia in its head connected to ladder-like arrangements of nerve fibers?

spider

frog

seahorse

flatworm

Where can i find naap lab answers sheet/key?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4