Why would you expect strontium to be chemically more similar to calcium? A; They are in the same family/group.
B; They are in the same period.
C; They have the same atomic number.
D; They have the same atomic mass.

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity