Some 35,000 years ago, our ancestors learned that heating clay to ...

[altibaby]

Some 35,000 years ago, our ancestors learned that heating clay to high temperatures allowed it to harden substantially. Many years later, using this earlier knowledge, our ancestors invented pottery. Pottery is classified as a:
 
  a. primary invention
 b. secondary innovation
  c. primary application
 d. tertiary modification

Question 2

Over 200,000 South Koreans were put up for adoption since the 1960s.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[fauacakatahaias]

Answer to Question 1

b

Answer to Question 2

True

[altibaby]

Thank you!

[fauacakatahaias]

Always glad to help...