It is estimated several million every year - it's impossible to count exactly because many will go unnoticed - they may be very small or happen in remote areas.
source https://www.google.co.uk/url?q=https://ds.iris.edu/ds/nodes/dmc/kb/questions/1/is-the-number-of-earthquakes-increasing/&sa=U&ved=0ahUKEwioxafr7YrUAhUiKsAKHXV9CosQFggXMAQ&usg=AFQjCNF6uKnsRqkmOkKYxE3WbwIAptWGUA
Fresh water I think because oceans would be considered salt water?
Answer:
No
Explanation:
It is not a solid and it is not inorganic.
Nucleus is the answer
Hope this helps :D
Calcium, a chemical element with symbol Ca and atomic number 20. Calcium is a soft grayish-yellow alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust