Answer:
D or A its up to u i know its not b or c cuz im not dumb UwU
Explanation:
I am pretty sure it is animal cells and plant cells considering I learned that last year in 6th grade
Energy can not be created nor destroyed, leaving the only possible answer to be "b," when energy changes from one form to another.
Answer:
Steel
Explanation:
In fact, sound waves travel over 17 times faster through steel than through air. Sound waves travel over four times faster in water than it would in air