Shawna is very knowledgeable about cars. she subscribes to several different automobile magazines, has interviewed people who work on cars for a living, and has researched many types of cars. she started a blog with the information she has gathered. on her blog, she offers opinions about which cars are the best value for the money and which are the most difficult to repair. which best describes the reliability of her work? it is unreliable because it is on the internet. it is unreliable because it offers opinions, not scientific facts. it is reliable because she gathered information from many sources. it is reliable because it has information about all types of cars, not just her favorites.

Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate

Astate of matter all that has define volume and can flow is a(n)

Decreased sensitivity to an unchanging stimulus is known as