6-C (breaks off)
7-C(they secrete acid that breaks away rocks)
A. When you are given of review of how well you by your co workers
Answer:
Group 1 - Alkali metals; Group 4 - Elemental Properties
Explanation:
The elements in Group 1 are called Alkali metals and those are: Lithium, Potassium, Rubidium, Celsium, Francium and Sodium and the elements in Group 4 are called: Titanium, Hafnium, Zirconium and Rutherfoundium.
It's important that group 4 has no trivial name like the group 1 does, it belongs to the grouping of <em>transition metals </em>and those metals have several general properties. They are found in the middle of the periodic table.
A sudden and violent movement of the ground sometimes causing great destruction as a result of movements within the earths crust or volcanic action.
<span><em>They tell us how life evolved and adapted to different environments and global changes throughout the Earth's development</em>
<em> Hope this helps:)</em>
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