Answer:
Social desirability is the correct answer.
Explanation:
1700- the land was not very explored yet. There was a permanent mission in Baja California (today Mexico) but nothern California was claimed by Spanish, but not too explored yet.
1821- that's when Mexico had it, it's Mexico's independence year!
1846- In june and July- the California Republic!
1850- from September 9th it belonged to the States.
a) This is because the other choices are either way too early or too late. Plus kids enter puberty around middle school.
Speed is the distance travelled in a time period but acceleration is the change in the speed of body in a given period.
The S.I. units are
Speed=ms^-1
Acceleration=ms^-2
Answer:
The world population increased from 1 billion in 1800 to 7.7 billion today. The world population growth rate declined from 2.2% per year 50 years ago to 1.05% per year.