The diagram below shows four coastline locations on earth with respect to the moon at a given time.

in this current position, which coastline(s) are experiencing a daily low tide?

1) only a
2) only b
3) both a and c
4) both b and d

4)Both B and D.This happens becaus3 at the ceryain time, A experiences a flood tide causing the waters to come near it.And since B and D are the closest coastlines they are affected the most.

explanation:

as the height from which the ruler was dropped increased, the speed of the ruler at ryan's hand increased.

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.