Answer:
Digging of irrigation canals to irrigate their fields allowed for growing better and more crops. food surpluses allowed people to do other work than farm. this meant that they had enough food to survive in extra to trade with.
Explanation:
Hope this helped Mark BRAINLEST!!!!
Sandstone is formed from tiny particles of sand cemented together. Sandstone is a <u>a sedimentary rock</u> .
Answer:
some commonly and naturally occurring chemicals are <u>sodium, potassium and lithium</u>
Explanation:
- The most commonly found water-reactive mineral or chemical found are list above as these are commonly found abundant in nature and most of these elements some heavy metals are found throughout the artificial sources.
- Some substances react with water to produce heat such as flammable hydrogen gases Sodium is a naturally and artificially indirect form of a chemical element that is mixed with water sop as to produce the desired reaction on the object.
- Lithium is a colorless substance found in water forming a basic solution. Potassium is also a tasteless colorless and odorless substance that is dissolved in water and is known for the vital forms of life.