Mars has 7 natural resources

subtract 8 from both sides leaving

combine -2x+-8x =-10x

divide both sides by ten
<span>Five strategies needed by learners in taking </span><span>appropriate actions for availability of clean water maybe the ff:
(1) conserve water by turning off the faucet when unused;
(2) research more on how to conserve water
(3) use social media to spread awareness of conservation of water
(4) innovate ideas on conservation of water
(5) make machines that can filter water's impurities</span>
The correct answer is - The Roman civilization.
The Romans invaded Britain, even though it took them some time, gradually they managed to get under their control most of what is now England and Wales. With their arrival, the Romans brought lots of things from their society, including alphabet, thus reading and writing, they started to create cities with solid defense systems, and gradually were building roads in order to connect the cities they've built in order to enable better and quicker communication between them. Also, they introduced the Christianity in Britain. It is debatable about the exact time, there are some sources that claim that it was introduced as early as the 1st century AD, but officially it is considered that there was enough mass of people and preachers in period of the 3rd and 4th centuries so that it can be considered as a living, practiced, and prospering religion.
Cultural hearths<span> are civilizations that have </span>cultural influence around the world. There are seven original culture hearths<span> that include West Africa, Meso america, the Nile River Valley, the Indus River Valley, the Wei-Huang Valley, the Ganges River Valley and Mesopotamia</span>