Help PLEASE During the process of demographic transition, a movement from stage 1 to stage 2 is most likely caused by
o social changes.
o improved education.
O rural-to-urban migration.
O technological developments.
o increasing employment opportunities.

The answer to the first one is barometer.

The us is first  the  u.s. economy  remains the  largest in the world  in terms of nominal  gdp. however, the  u.s. economy  loses its spot as the number one  economy  to china when  measured  in terms of  gdp  based on ppp. in these terms, china's  gdp  is $23.19 trillion exceeds the  u.s. gdp  of $19.42 trillion

Because ours has not callosped, its working without the planets crashing into eachother, and the sun is the right distance away.

Yes he is right they are bacteria