Q: What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids? Choices: - endocrinologists - vaccinologists - virologists - immunologists A:
immunologists

Q: When salinity and pressure increase, or when temperature decreases, what happens to water density? Choices: - fluctuates - drops - stays the same - increases A:
increases

Q: Q: A pulley changes the direction of the force t exerted by the cord without changing its what? Choices: - longitude - latitude - position - magnitude A:
A: magnitude

Question: Q: Molds and yeasts are organisms in what kingdom? Choices: - tissues - insects - aquatic - fungus A:
Answer: fungus

*Question*
Q: The first consumption of breast milk or formula floods the baby's gastrointestinal tract with what? Choices: - hemoglobin - nerves - enzymes - beneficial bacteria A:
**Answer**
beneficial bacteria

(Q).
Q: During an earthquake what causes seismic waves? Choices: - Currents - low tide - high winds - rock displacement A:
(A).
rock displacement