(Question)
Q: What do we call use of electric current to encode information? Choices: - products - metals - ferious - electronics A:
(Answer)
electronics

(Question)
Q: Root-like projections anchor adults of what colony-dwelling animals to solid surfaces such as rocks and reefs? Choices: - anemones - corals - molluscs - sponges A:
(Answer)
sponges

(Question)
Q: What is the most important source of energy on earth? Choices: - the earth's core - water - moon - sun A:
(Answer)
sun