What is the major problem to overcome before fusion will produce usable energy? a. enough fuel must be discovered. b. a material able to tolerate the heat must be found. c. underground caves must be dug to store by-products. d. society must be willing to accept the radioactive waste.

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.