Q: The major component of what cellular structures is the phospholipid bilayer? Choices: - cytoplasm - nuclei - ribosomes - cell membranes A:
cell membranes

Q: Common disease of what system include asthma, pneumonia, and emphysema? Choices: - the fecal system - the digestive system - the glandular system - the respiratory system A:
the respiratory system

Q: Q: What travels at the interface between the sea surface and the atmosphere? Choices: - ocean currents - ocean tides - ocean breeze - ocean waves A:
A: ocean waves

Question: Q: Approximately how much larger is the radius of an atom than that of its nucleus? Choices: - 1 times - 1000 times - 100 times - 10 times A:
Answer: 10 times

*Question*
Q: The rocks that are taken from a mine are full of valuable minerals plus rock that isn't valuable. what is this rock called? Choices: - garbage rock - compost rock - empty rock - waste rock A:
**Answer**
waste rock

(Question)
Q: Minerals are grouped based on what? Choices: - carbon composition - mineral composition - density - chemical composition A:
(Answer)
chemical composition