¿Toda sustancia de aspecto homogéneo es siempre una sustancia pura?

Select the word from the list that best fits the definition sun-dried mud bricks used to build homes in the desert southwest

Based on what you read in the fact sheet, identify the type of customer the company is hoping to reach. super-phonic systems wants to sell phones to customers who: expect the latest smartphone technology. need affordable phone service in remote areas. care more about attractive designs than reliability. will pay top prices for features such as web-surfing.

John lennon and paul mccartney belonged to this group