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”
More people move to mdcs bc of pull factors. they leave ldcs bc of push factors.
Answer:
No,both players could have not won. It was on Victor that won the game due to the fact that, he got 3 positive numbers in a column. The same column could become rows when viewed from another angle. As for Cindy, 3 rational numbers on a diagonal negate the rules of the game.
Explanation:
Answer:
first one is k second one is g
Explanation:
Answer:
Option B, China experienced rapid industrial and urban population growth
Explanation:
In the East Asian region, China grew very fast in terms of industrialization and hence the urban cities and population in it. These two factors contributed tremendously in the increase of GDP of the China individually and as well as the entire region.
China emerged as the manufacturing hub of the world and became a global supporter of all major business across the globes.
Hence, option B is correct
