The US exported over $67 billion in goods to Japan 2017, and imported over $136 billion from Japan with an exchange rate of $1=110 Yen. Suppose that in 2018 the exchange rate changes and $1=105 Yen, but that in 2019 it changes again so that $1=120 YEN. Explain the impact that these changes would have in each year to the balance of trade and why.

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

What type of reaction is photosynthesis

18. determine whether each stateme blank space given. ach statement is true (t) or false (f). place your answer in the 8. when a cell is put into an isotonic solution, individual wat put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. d. when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. c. when a cell is put into a hypotonic solution, there is a net movement of water molecules across the cell membrane out of the cell. d. the movement of any solvent across a semi-permeable membrane is called osmosis. e. carrier proteins have the ability to change shape and physically move molecules across the cell membrane. f. in facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the cell.