Scientists believe that approximately 10 million years ago the closing of the isthmus of panama changed the climate of earth so severely that winters in europe became 10°c warmer than they had been. Why did this happen?.

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

Which will you likely have to provide on a college applications. a.) personal information, b.) parents level of education, c.) career plans, d.) employment history

Nick wants to find out what the melting point of wax is. he has a block of wax, a graduated cylinder, a pan, a thermometer, and scales. which is the best procedure to follow for the experiment?