Answer:
b
Explanation:
the baloon is made to hold more air.
Answer:
I believe it's A. to reduce air bubbles. Tbh, it's been a while
The 2nd one is the right answer
Hope this helped
Answer:
B
Explanation:
hope the picture helps you to understand:)
CFCs and their associated compounds were developed in the early 1900s as a non-toxic, non-flammable solution to other more dangerous products such as ammonia.