Jamie is curious why she has found a shark's tooth in her backyard, which is several miles from the ocean. The white part of the model below shows the land area of Florida above sea level five million years ago, and the white and dark grey parts together show the land area of Florida above sea level today. FLORIDA PAST AND PRESENT

How does this model help Jamie understand why she found a shark's tooth in the backyard?

The model helps Jamie understand that barrier islands have formed over time.

The model helps Jamie understand that five million years ago, her backyard was below sea level.

The model helps Jamie understand that Florida had a much larger land surface five million years ago.

The model helps Jamie understand that Florida’s sharks’ teeth can only be found in Jamie’s backyard.

1. the responsibilities of the u.s. federal reserve system include overseeing the banking system and regulating the quantity of money in the economy setting the level of real interest rates working with congress to devise a financial plan for the country and execute the president's orders calculating and reporting the unemployment rate 2. to increase the supply of money when the economy is weak, the fed closes banks reduces inflation sells bonds buys bonds 3. the federal funds rate is the short-term interest rate that banks charge their best customers when borrowing banks earn on savings accounts with the fed banks charge each other when borrowing or lending to each other the fed charges banks when borrowing 4. when the fed increases the money supply and consequently lowers interest rates, the value of the dollar will rise by more in the market for foreign exchange, all else equal will fall, all else equal is not impacted by fed policy will rise, all else equal

Personality traits.. .remain stable throughout life ..change at different rates to different degrees ..are more obvious during childhood ..all of the above

Is when a person has given their consent based on understanding the actions and facts of a study?