Which method of flood prevention reduces runoff?
Dandelion asked:
a. damming of tributaries
b. replanting vegetation at the headwater regions of a whatershed
c. building of artificial levees
d. construction of spillways
a. damming of tributaries
b. replanting vegetation at the headwater regions of a whatershed
c. building of artificial levees
d. construction of spillways
Which two tools have recently revolutionzed earth science?
a. telescope and sextant
b. computer and satellite
c. soil auger and drill
d. seismograph and dynamite
Which of the following statements is false?
a. earth turns on its axis
b. earth moves around the sun in a single plane
c. earth moves around the sun ina circular path.
d. earth’s acis is slightly tilted