Tides are caused because different parts of the earth's oceans are at different distances from the moon.
Indicate whether the statement is true or false
Question 2
Which of these was NOT true about the limitations of Bohr's model?
a. The Bohr model failed to explain why electrons do not radiate.
b. The Bohr model could not predict spectral lines for elements which have more than one electron in the outer shell.
c. The Bohr model could not account for splitting of spectral lines.
d. The Bohr model could not account for the basic periodic nature of the elements.
e. The Bohr model could not explain why each shell held the number of electrons that it did.
Comparative sizes of the Earth and the Moon
The Mass of Impacts on Earth
El Anatsui, Between Earth and Heaven.
A good disinfecting solution you can make yourself consists of 1 part bleach to 10 parts water.
Planet Earth compared to all its water and air!
Earth 200 Million Years Ago