Q: The electronic components in electronic devices, used to transmit and change electricity are made of? Choices: - resistors - inverters - microchips - semiconductors A:
semiconductors

(Question)
Q: What do puffer fish produce to protect itself? Choices: - teeth - enzymes - hormones - venom A:
(Answer)
venom

Ques: Q: The number of electron pairs that hold two atoms together is called? Choices: - nuclear order - proton order - electron order - bond order A:
Ans: bond order

(Q).
Q: Ringworm and athlete's foot are human diseases caused by what simple organisms? Choices: - bacteria - insects - viruses - fungi A:
(A).
fungi

Ques:Q: Images in what type of mirror are reversed left and right but not reversed top and bottom? Choices: - concave - virtual - convex - plane mirror A:

Ans:plane mirror

Q: What happens to the mass number during a nuclear decay process by positron emission? Choices: - it rises - it decreases - it increases - remains unchanged A:
remains unchanged