If two troughs in a ripple tank meet, what happens?
a) they cancel each other out.
b) they combine to form a larger trough.
c) nothing happens.
d) destructive interference occurs.
which is an application of the transfer of energy by water waves?
a) water purification
b) deep sea fishing
c) oil drilling
d) power generation

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point