Scientists control the variables in science experiments, specifically the independent variables. When a scientist changes a variable, they observe how it affects the other variables.
Answer would be E) creating units of local government
20% of $5.00 is $1.00. 20*50=1000 and 1000*50=$50,000 a year but with tax you'll have to take away 10000. $40,000 a year.
Answer:
By a "simpler model," he is referring to (a pseudo-environment).
Explanation:
the pseudo-environment is a person's mental picture of the world
Answer:
map makers (c)
Explanation:
cartographers are people who make maps