Which of the following is correct about flashback database? (choose two correct answers.)
a. you should set the flashback_buffer_size parameter.
b. you must create the flashback log files.
c. you must set the db_recovery_file_dest parameter.
d. you must issue alter system flashback on.
e. you must issue alter database flashback on.

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? a. air quality data gathered by new instruments can be used to reduce exposure to pollutants. b. new technologies enable natural and human-made pollution sources to be located and monitored. c. air quality data gathered by new instruments can be used to predict trends in pollution over time. d. new technologies allow governments to make informed decisions about the regulation of pollution. (choose more than one)

When designing content as part of your content marketing strategy, what does the "think" stage represent in the "see, think, do, care" framework?

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