How are electromagnetic waves different from mechanical waves? (2 points) a
Electromagnetic waves are all high frequency; mechanical waves are all low frequency.

b
Electromagnetic waves can travel through a vacuum; mechanical waves require a medium.

c
Electromagnetic waves are visible; mechanical waves are invisible.

d
Electromagnetic waves always reflect; mechanical waves always refract.

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

What happens to an isotope during radioactive decay?

Bahan yang digunakan mencegah terjadinya polarisasi pada batu baterai a.larutan h2so4b.mncl2 dan serbuk karbonc.pbso4d.nh4cl