Look at the four positions of earth with respect to the sun.

The Gulf of California is located on the Tropic of Cancer. At what position of earth will the sun be exactly overhead at the gulf of California?

position 1
position 2
position 3
position 4

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

What molecules does hemoglobin decay into over time