Monday
March 30, 2015

Homework Help: science

Posted by allison on Thursday, February 28, 2008 at 6:15pm.

1.when air is cold, it has less ______.
2.the expansion joints _______ when it is cold outside.
3.the expansion joints ______ when it is hot outside.
4.what might happen to a road without expansion joints?

The _____ is a blank need answer please and 4 need it to be short please. and thankyou for your help.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

science - 1. What are expansion joints, and why are they used?
Science - What kind of joints do not allow movement? A. Hinge joints B. Ball and...
Science - If ______ amounts of hot and cold water are mixed, the final ...
finance - One yaer fom now, how much value creation is expected from the ...
physics - a)Estimate how long it takes for the cold air to fall out when you ...
Pre Cal. - The expression 81p^4 + 108 p^3 r^3 + 54p^2 r^6 + 12 pr^9 + r^12 is ...
science - Suppose that the 1.3 km span of the Golden Gate Bridge had no ...
maths - find the first 3 terms in the expansion of (x+4)(1+3x)^-2 as a series in...
science - Suppose that the 1.3 km span of the golden gate bridge had no ...
Physics - Hot air balloons float in the air because of the difference in density...

Members