Answer:
Global Warming , Volcanic Eruption
It is the smallest unit it is what makes up everything
joke-Don't trust Atoms they make up everything
Answer: Within each element square, information on the element's symbol, atomic number, atomic mass, electronegativity, electron configuration, and valence numbers can be found. At the bottom of the periodic table is a two row block of elements that contain the lanthanoids and actinides.
The correct answer is (C. zirconium - 93.
