4. the hindenberg disaster, a total of 36 fatalities (changed public opinion on airships forever) as well as the competition with airplanes.
5. airships and blimps are both dirigibles. a blimp (technically a “pressure airship”) is a powered, steerable, lighter-than-air vehicle whose shape is maintained by the pressure of the gases within its envelope.
6. most blimps are used as advertising devices, you will see them overhead at games played in open-air sports stadiums.
Answer: The correct answer is : Dimensional analysis is a very useful tool for solving conversion problems in which a measurement with one unit is changed to an equivalent measurement with another unit. This technique is also called the Label Factor Method or Unit Factor Method.
A primary source is a document or account created from the time under study.
A secondary sources is a document or account created or written after the time
under study. Usually by people who study in whatever subject that is under study.
Answer: identifying the process used to make plastic bags
Explanation:
Sorry I do not have one because I am only in 5th grade and do not know if this is the correct answer, I tried my very best.
