Answer:
Proper cleanliness of water..
I'm going to assume this is a True or False question so false, heat from the reaches the earth through radiation.
Answer:
Iraq war that happened ages ago search on the Internet for more details
First to subtract by the 3 from the both sides. Then cross out 3 -3 it equals to 0.
(3n+7)
-3 -3
~~~~~~
4
Answer is n=4
