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Scientists use controlled experiments because they allow for precise control of extraneous and independent variables. This allows a cause-and-effect relationship to be established. Controlled experiments also follow a standardized step-by-step procedure.
What else can I help you with?
The steam engine was an important part of the birth of which type of economy?
(For Apex Learning) Industrial.
What is an example of overlapping development?
Learning to walk at the same time you are learning to talk -Apex (;
When was Apex Learning created?
Learning was created in 1997.
Which of these ancient civilization created ''art for art's sake''?
Minoan Apex learning :)
What most affects a country's mortality?
(Apex Learning) Access to clean water
Why did the south have more political power in the congress than the north?
southern members controlled the democratic party...apex
Who works on Apex Learning Inc?
Employees of Apex Learning Inc. would include educators, computer programmers, and administrators, along with other personnel.
An organism has a diploid number of 60 What is the organism's haploid number?
(Apex Learning) 30.
What is on the end of an all charged tRNA molecule?
An anticodon. -APEX Learning
According to the Davis-Moore thesis what is a role of social stratification?
(For Apex Learning) It ensures that important positions are filled by more qualified people.
Why was it important for mendel to study such a large sample of pea plant?
(Apex Learning) A higher sample size gives more accurate results.
Why was printing press so important to the spread of reformation ideas?
APEX: The Catholic Church had previously controlled the copy and distribution of printed materials
