Q: How many quarks are in each proton and neutron? Choices: - ten - five - four - three A:
three

(Question)
Q: What is formed when an acidic solution and a basic solution react together in a neutralization reaction? Choices: - Sodium - seawater - shallow - salt A:
(Answer)
salt

Ques: Q: What results when birth rates fall even lower than death rates? Choices: - disease - mutation - increased growth rate - negative growth rate A:
Ans: negative growth rate

(Q).
Q: Rust consists of oxides of what element? Choices: - Copper - Gold - Aluminum - iron A:
(A).
iron

Ques:Q: When a predator kills and eats its prey, what sort of predation is this referred to as? Choices: - false - just - predestined - true A:

Ans:true

Question: Q: Where does electric power originate? Choices: - the Sun - magnets - coal mines - power plants A:
Answer:
power plants