1. Which of the following is associated with discovery of seafloor spreading?
a Mountains and Volcanoes are denser than mantle
b. Rotational pole of the earth has migrated
or moved.
c. The crust of the continents is denser than the crust
of the ocean
d. The crust of the oceans is very young relative to the
age of the crust of the continents

Unitequotations are usedto explain or supporta main idea. they alsomake a reading moreinteresting3 after you reada check your understanding.1. according to som sarawong's boss, why didsom get the employee of the year award? 2. what's the difference between a soft skill anda hard skill? give examples.3. find two quotations in the reading. underline themwhat is the purpose of each quotation? 4. which example shows that som has a good work ethic? 5. why is it easier to teach hard skills than soft skills? 6. according to what george griffith says, do moreworkers lose their jobs because of weak soft skills orweak hard skille? 7. do you agree with george griffith? why or why not? culture notethe expression work ethicis the belief that if youwork hard in life you willget ahead and becomesuccessfulb build your vocabulary.1. find an example in the reading of each prefix and root. write it in the chart2. use a dictionary. write the meaning of the words.3. guess the meaning of the prefixes and roots in the chart.prefixesexample from meaning of wordmeaning of prefixreading1.re.repairto fix what is torn or broken again2. co oworkertogether3. autorootsmeaning of root4. tech5. super6. equ4. work in a small group. make a list of other words you know with the same prefixes androots. write a sentence for each new word.leasctalk with a partner.2