What satellite acts as a laboratory in space, allowing scientists to perform experiments that are not possible on Earth? 1.the James Webb Space Telescope
2.the Hubble Telescope
3.the Voyager 1
4.the International Space Station

hypothesising or postulating

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 ! : )

talk back to him about the sport and show him your expertise or leave the room