4. Can an acceleration be negative?
Yes
No

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?