(Q).
If plants respond to temperature, then what do plants respond to? Answer choices: - Chemical energy - Vibrations - heat energy - Sulfur dioxide - Temperature - sun's heat - Clouds - Wood
(A).
Temperature

(Q).
If using a car can require burning gasoline, then using what can require burning gasoline? Answer choices: - Lead - oil - calculator - woodfire - fire - running shoes - coal - car
(A).
car

(Q).
If starfish lack a centralized nervous system, then what lack a centralized nervous system? Answer choices: - Pesticides - neurons - barnacles - alpacas - insects - fish - humans - starfish
(A).
starfish