True and false hope you have the best
Explanation:(a) Was this an observational study or an experiment? Explain your reasoning. Experiment, because certain variables were controlled (he sets the screen brightness to low and then starts a movie) to determine if iPhones last longer if the screen brightness is set to low, and it proves the cause and effect relationship.
(b) What is the explanatory variable and the response variable? Response Variable- To determine if iPhones last longer if the screen brightness is set to low Explanatory variable- he sets the screen brightness of 10 of the iPhones to high and starts a movie, then the other 10 to low and starts a movie.
(c) Was a random sample used to collect the data? Yes- “he selects a random sample of 20 brand new iPhones”
Answer:
ITALY
Explanation:
Ito ay ang <em>ITALIA</em><em> </em><em>O</em><em> </em><em>ITALY</em>. Ang Italy ay isang peninsula na nakapwesto sa bandan Europa. Halos 3,000 taon ay naitala ang italy sa mahabang paghiwalay sa mga kabihasnan ngunit ngayon ay mayaman na ito at mayaman din ang kanilang kultura dahil sa preserbasyon ng mga tao.Tinatawag na parang “boot shaped” ang Italy dahil din sa mga hindi patag ng mga bundok nito. Ang Italy ay kasalukuyang mayroong 60 milyong mamamayan, at pang lima sa pinakabinibisitang bansa sa buong mundo. Ang Italy ay tinatawag din na calf land, at mayroon din silang malakas na ekonomiya at mga polisiya rito.
