Read the second section, "tsunamis usually happen in the pacific ocean."
read the final section, "warning systems and evacuation plans have saved lives."
how does the second section relate to the final section?
a
both sections provide specific examples of the effects of tsunamis.
b
both sections compare and contrast different causes of tsunamis.
c
the second section describes problems with studying tsunamis. the final section describes how scientists discovered a solution to the problems.
d
the second section describes scientists' predictions about tsunamis. the final section provides information about whether they were correct.

20 drops hope this

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.