Answer:
Its (d) hydrogen
Explanation:
just took the test on edg2020
There are several ways to visually represent compounds. For this particular organic compound, we can use the skeletal formula and the expanded formula. The skeletal makes use of lines to show which atoms are bonded to each other. The expanded formula shows the species of the atoms and their bonding with other atoms. I have attached the two representations.
It is a solution, because it's the alloy of tin and copper
Answer =Tsunamis because they flood places and areas
7, i'm pretty sure, hope I helped!