Lithium (li) is higher than iron (fe) on the activity series. what does this mean?
a. li will replace fe in a combination reaction.
b. fe will replace li in a single-replacement reaction.
c. li will replace fe in a single-replacement reaction.
d. li will replace fe in a decomposition reaction.

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Which characteristics can be used to differentiate star systems? check all that apply.