Q: In the universe as a whole, what is the most common element? Choices: - helium - carbon - oxygen - hydrogen A:
hydrogen

(Question)
Q: Organisms that obtain food from outside themselves (i.e. they don't make their own food) are known as what? Choices: - autotrophs - zygotes - fungi - heterotrophs A:
(Answer)
heterotrophs

Ques: Q: Chlamydia, gonorrhea, and syphilis are examples of which type of sti? Choices: - non-contagious - viral - incurable - bacterial A:
Ans: bacterial

(Q).
Q: What are all scientific explanations and interpretations based on? Choices: - changes - theories - controls - facts A:
(A).
facts

Ques:Q: The purpose of scientific investigations generally is to test a what? Choices: - theory - question - suggestion - hypothesis A:

Ans:hypothesis

Ques: Q: What type of earthquake creates a tsunami? Choices: - Tectonic - collapse - volcanic - underwater A:
Ans:
underwater