If ethanol is used to produce electricity by burning, then what is used to produce electricity by burning? Answer choices: - air - heat - energy - cells - calcite - hydrogen - fire - ethanol
ethanol

(Question)
If planktonic plants are bacteria and algae that use sunlight to make food, then what are bacteria and algae that use sunlight to make food? Answer choices: - birds - carnivorous organisms - Transfers energy - competing for resources - planktonic plants - By wind and rain - fish - Chemical energy
(Answer)
planktonic plants

Ques: If seismometers measure the shaking of the ground, then what measures the shaking of the ground? Answer choices: - Seismometer - sensory neurons - Hygrometer - Speedometer - heat energy - kinetic energy - Force gauge - power stations
Ans: Seismometer

(Q).
If mammals contain keratin, then what do mammals contain? Answer choices: - food - ghosts - keratin - Animal fur - magic - soul - alveoli - four limbs
(A).
keratin

Ques:If cells need to be repaired regularly to function properly, then cells need to be what regularly to function properly? Answer choices: - growth - hydration - repaired - rest - frozen - plugged in - enlarged - staying warm

Ans:repaired

If what animals do can be learned from play, then what can be learned from play? Answer choices: - exercise - Movement - resistance activities - strength - competition - what animals do - kinetic energy - reusing materials
what animals do