Answer:
one is formal and one aint
Explanation:
To combine these sentences together to flow neatly and be grammatically correct you could say: Early airships such as zeppelins were filled with hydrogen, but today's blimps use helium instead. This is the correct answer out of your choices.
Your answer is: Early airships such as zeppelins were filled with hydrogen, but today's blimps use helium instead.
Have an amazing day and stay hopeful!
The answer is A
(don't mind this part)
<h3>
Answer:Yes</h3>
Explanation: There is no positive effect of war
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