When something is insulated, it _

a. recycle electric currents to reduce the amount of power produced in a country
b. reduces the passage of heat by separating two objects with a material
c. allows the passage of electricity from one building to another
d. increases the passage of heat from one object to another.

Below is a description of a resource that you're considering using for a research paper. as you read the description, keep in mind what you've learned about historical thinking skills and use those skills in evaluating whether or not to use the source.

What would you call a political system that is only meant to last for a short time

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude