Answer:The average time is 9 hours
Explanation: American teenagers spend an "astounding" nine hours a day with digital technology, entertaining themselves with streaming video, listening to music and playing games, researchers reported Tuesday. And "tweens" aged 8 to 12 are spending six hours with media, the non-profit group Common Sense Media reports.
C. No one knew germs existed
Therefore diseases spread because they did not know how to prevent them and they did not have good hygiene.
Answer:
emos demos emos demos los
Explanation:
Answer:
The general shape of the echinoderm may be that of a star with arms extended from a central disk or with branched and feathery arms extended from a body often attached to a stalk, or it may be round to cylindrical.