Answer: 377
Explanation:
You can just add the figures together
Bottom Box: 7x6x6
Top Box: 5x5x5
252 +125 = 377
One, two and four are limitations of psychological experiments.
The developing countries are cheaper for production and labor so it is economically beneficial
Blood urea nitrogen (BUN) and creatinine tests can be used together to find the BUN-to-creatinine ratio (BUN:creatinine). A BUN-to-creatinine ratio can help your doctor check for problems, such as dehydration, that may cause abnormal BUN and creatinine levels.