Which of the following most likely has a fixed shape? (2 points) helium gas solid iron liquid octane hydrogen plasma

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Light waves can move through , but they travel fastest when they move through a(n) .