When using hand signals while biking always . use the hand signal and tell what you are doing
ring your bike bell for confirmation
use both hands
check to make sure your hand signals have been seen and understood.

0% 10. use the table to answer the question. which elements would you expect to find mainly in the earth’s core? element density (g/cm3) aluminum 2.7 iron 7.87 nickel 8.9 silicon 2.33 iron and silicon aluminum and silicon aluminum and nickel iron and nickel