Indicate the atom in each pair that has the largest atomic radius: A. Al or B
B. Na or Al
C. S or O
PLEASE HEL!!!

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.

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: