Q: What color does red litmus paper turn in the presence of a base? Choices: - green - purple - white - blue A:
blue

(Question)
Q: What are groups of atoms that behave as a single unit called? Choices: - protons - particles - ions - molecules A:
(Answer)
molecules

Ques: Q: What is the molten material deep within the earth? Choices: - volcanic mass - crystals - lava - magma A:
Ans: magma

(Q).
Q: Which organ of the body do large tapeworms attack or block? Choices: - liver - heart - kidneys - intestines A:
(A).
intestines

Ques:Q: The converging of continental plates can form what kind of geological feature? Choices: - plains - streams - shores - mountains A:

Ans:mountains

Q: What is a type of solid that lacks an ordered internal structure? Choices: - ice - a sponge - an elastic solid - an amorphous solid A:
an amorphous solid