<span>It is true that scientific endeavor is driven by both curiosity and society. Hope this helps you!!!</span>
D. rift valleys.
Trenches occur at convergent oceanic plates; fossils are extremely old bones, bodies, or footprints, which have gotten so old the intervening years have turned them into rock; U-shaped valleys are valleys which are shaped like the letter U, and are usually formed by glaciers, which tend not to occur underwater very often.
African work songs and rock n' roll
Two that I know of are a sextant, and maybe an astrolabe
Can you attach a picture maybe?