Science Help ??.>>>>
Miriam notices when she goes to the beach that sometimes the water rises as high as the pier. At other times of the day, the water barely covers the pillars under the pier. These differences in water level are primarily due to the gravitational influence of which of the following?
1)
comets
2)
asteroids
3)
the Moon
4)
the Sun
Orographic precipitation occurs due to air masses being lifted to higher altitudes by
1)
the density difference of air masses
2)
the presence of mountain barriers
3)
a frontal action
4)
extratropical cyclones
Radiocarbon dating is a useful technique for all samples below EXCEPT
1)
shells
2)
bone
3)
granite
4)
wood