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.
The open ocean is the most extensive biome on earth.
Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ...
Earth’s Major Lithospheric Plates
Convert from degrees to radians
The Distribution of Water on Earth
Magnetic Force on a Current Carrying Conductor