Answer:
Step-by-step explanation:
Your question is not complete.
According to what do we validate with the equation.
add more info in the question because all of them can be true without any condition given or validation.
Answer:
The answer is D, your welcome
Rly, this is the stupidest question to live on earth
f= 77°
d=75°
e=28°
they are vertical angles
Group 17. They combine with alkali metals and form salt, the are reactive, they have 7 electrons in their outer energy level
