Q: Which law explains why a ship weighing thousands of metric tons floats on water? Choices: - hofstadter ' law - ganymede ' law - water pressure law - archimedes' law A:
archimedes' law

Q: Surface tension is responsible for the fact that small insects can do this on water? Choices: - swim - sink - float - walk A:
walk

Q: Q: Why do sodium and chloride ions attract each other? Choices: - sulfides attract - magnetism - like attracts like - opposites attract A:
A: opposites attract

Question: Q: What part of the body are eggs formed in? Choices: - brain - intestine - pancreas - ovaries A:
Answer: ovaries

*Question*
Q: What is a pure substance called? Choices: - a mixture - homogeneous matter - a liquid - an element A:
**Answer**
an element

Q: Q: What creatures evolved from a lobe-finned lungfish ancestor? Choices: - birds - horses - mice - amphibians A:
A: amphibians