Because gas particles are very far from each other so the amount of space between them can easily change therefore doesn’t have a fixed shape and since the particles are always in motion and try to fill there container gas doesn’t have a fixed volume either
Hey there!
<span>Much like a cell, a virus is able to
Answer: </span>
<span> change over time.
Hope this helps
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This answer is probably true, because mammals are very intelligent creatures.