Aresearcher wants to find out the average amount of money that united states (us) adults spent on gifts during november and december of the previous year. the researcher administers the survey to 1{,}0001,0001, comma, 000 randomly selected us adults from arizona, asking the question: "how much did you spend on gifts during november and december of last year? " the data collected showed that the mean number of dollars spent per adult was \$154$154dollar sign, 154. which characteristic of the survey could have created unreliable data?

Arecipe calls for 2 cups of flour to make a cake. you look in the stock room and see a bag of flour that has a tag that says this bag contains 25 cups of flour. how many complete cakes could you make from this bag of flour?

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.

Saul reaches out to grab a pot of boiling water and something in his body sends a sensation to his brain to warn him of the heat coming from the handle. what organ is responsible for protecting saul from the heat?