The concentration of carbon dioxide in earth's atmosphere is percent higher now than it was 250 years ago. a. 10 b. 60 c. 40 d. 0.5

baltic states. baltic states, northeastern region of europe containing the countries of estonia, latvia, and lithuania, on the eastern shores of the baltic sea.

explanation:

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.