(Question)
Q: What fuels provide most of the energy used worldwide?    Choices:  - hydroelectric  - solar  - renewable  - fossil  A:
(Answer)
fossil


(Question)
Q: What is the capacity to cause change?    Choices:  - gravity  - temperature  - mass  - energy  A:
(Answer)
energy


(Question)
Q: What is the process by which almost all plants make food?    Choices:  - reactions  - digestion  - melting  - photosynthesis  A:
(Answer)
