About 10-15% of all galaxies are which shape?
a. spiral
b. elliptical
c. irregula...
Chemistry, 18.09.2019 02:00, ranamontana98
About 10-15% of all galaxies are which shape?
a. spiral
b. elliptical
c. irregular
Answers: 2
Chemistry, 22.06.2019 11:30, claudr03
If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
Answers: 3
Chemistry, 22.06.2019 15:00, levelebeasley1
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
Answers: 2
Mathematics, 04.04.2020 01:41
History, 04.04.2020 01:42
History, 04.04.2020 01:42