Answer:
Complete smaller studies over a longer period.
Explanation:
Insread of giving up, it's best to cut the experiment and do some study at a time. You can save Money
Answer:
The new model came from more experiments and evidence.
Explanation:
As more research and better technology came out scientists were able to update to a more accurate model.
The correct answer is: b. it doesn’t often reflect reality.
While experimental research has several advantages, including: investigating the effect of one variable on another, and the ability to control and eliminate confounding variables, it also has one major disadvantage. This disadvantage is known as: <em>lack of ecological validity</em>.
Lack of ecological validity means that the findings of research study might not be generalizable to real-life settings, and might only apply to laboratory settings. To avoid the problem of ecological validity, and to increase the validity of an experimental research study, a study should be conducted in natural settings when possible.
<span> It is erosion by wind of loose material from flat areas of
dry, uncemented sediments such as those occurring in deserts, dry lake
beds, floodplains, and glacial outwash plains.
So the answer would be A
</span>
Oxygen,carbon dioxide,ATP, & water