A hypothesis is scientific if it ________.
A. uses observational analyses
B. refutes other hypotheses
C. supports other hypotheses
D. can be tested
Answer: D
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If the lens flattened with age, what type of vision would become easier over time for this individual?
A. No light will enter the eye and blindness will result B. Both near and distance vision are fine, but changing back and forth between them becomes difficult C. Distance vision (e.g., reading a street sign) D. Near vision (e.g., reading a book) E. Both near and distance vision are compromised
Answer the following statements true (T) or false (F)
1) Pharyngeal pouch V is sometimes absent. 2) Pharyngeal arch IV is also called the hyoid arch. 3) The embryonic heart begins pumping and circulating blood during the sixth week of development. 4) Pharyngeal arch I is also called the mandibular arch.
The centrosome is considered to be an inclusion.
Answer the following statement true (T) or false (F)
How is it possible to change the pitch of our voice from high to low?
What will be an ideal response?