Helium is most known for its uses in floating balloons, but it has many scientific applications, such as preparing nasa rockets, testing aircraft in wind tunnels, and lifting weather monitoring equipment into the upper atmosphere. however, once released into the atmosphere, helium cannot be recovered.
use the passage to answer the question.
how might a weather scientist feel about the market for helium-filled balloons?
a.
those that make helium-filled balloons educate the public about the uses of helium.
b.
helium-filled balloons consume a resource that could be better used.
c.
helium-filled balloons increase the profits of helium-holding organizations.
d.
helium-filled balloons create a motivation for mining companies to find helium pockets