Answer: B. The element called tin is a metal with the chemical symbol Sn.
Explanation:
A is incorrect because Ni is Nickel, not Niobium.
C is incorrect because Carbon is a nonmetal and its symbol is C, not Cr.
D is incorrect because Copper's symbol is Cu, not Ce.
E is incorrect because As is the symbol for Arsenic, not Astatine.
Nucleus ,endoplasmic reticulum
It might change because of the amout of rain that fell in the year and the melting of ice which allows the water amount to increase
Answer:
2016.417222 hours
Explanation: you def made your goal
28800 seconds