Your device needs to keep 3 vials of vaccine
cold (between 2 celsius and
8 celsius for up to 24 hours.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2