Q: What is the wavelength of light expressed in? Choices: - nanoseconds - millimeters - vatts - nanometers (nm) A:
nanometers (nm)

Q: Where are the oceans most polluted? Choices: - in warmer waters - on the ocean floor - along reefs - along coasts A:
along coasts

Q: Q: How many nonpolar bonds does an oxygen molecule have? Choices: - 5 - 7 - 3 - 2 A:
A: 2

Question: Q: How are bacteria cells similar to our cells? Choices: - shape and size - dna and number of protons - plasma and number of protons - dna & plasma membrane A:
Answer: dna & plasma membrane

*Question*
Q: Name the three types of muscle tissue. Choices: - cardiac, smooth, long - smooth, long, tight - skeletal, cardiac, long - skeletal, smooth, cardiac A:
**Answer**
skeletal, smooth, cardiac

(Q).
Q: What's the most common disorder from having an extra chromosome? Choices: - Williams syndrome - Turner syndrome - cri-du-chat syndrome - down syndrome A:
(A).
down syndrome