What is the current axial tilt of the earth?
A) 24 degrees B) 45 degrees C) 21.5 degrees D) 23.5 degrees
Question 2
The Kurgans, identified as the first Proto-Indo-European speakers by archaeologist Marija Gimbutas
A) conquered much of East Asia several thousand years ago.
B) were a Germanic tribe that invaded England.
C) were herders from the steppes of today's Russia and Kazakhstan.
D) preserved Basque in present-day Spain.
E) were the earliest speakers of Sino-Caucasian, which they diffused through conquest.
Size comparison of Earth and Mars.
Saturn as Seen from Earth
Current Positions of Known Dwarf Planets and SSSBs in the Outer Solar System
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
A mini clamp-on digital multimeter can be used to measure alternator output and unwanted AC current ...
Precession of Earth