What is one effect of the Gulf Stream? Please help.

a. Winters in Iceland are colder than winters in Georgia.
b. Summers in Florida are hotter than summers in Sweden.
c. Winter days are shorter in England than in New Jersey.
d. Summers in Spain are hotter than summers in Maine.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Can someone i have no idea of how to do this.

Ascientific idea becomes valid when it is what?