Biology, 10.03.2021 18:00 Juliette9525
Days after use for a party, a partially inflated helium balloon no longer floats
like it once did due to helium particles leaking out of the seal. Observe the
helium atoms within the balloon in the diagram below.
Key:
+
o
Helium
particle
Direction and speed of particle
(longer arrow represents more speed)
As an experiment, a student holds the partially deflated balloon over a
heating pad to heat it up. The student notices the balloon begins to expand
and when they let go of the balloon it even floats again for a few moments
before sinking back down.
Answers: 1
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Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm
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Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.
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Days after use for a party, a partially inflated helium balloon no longer floats
like it once did d...
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