Answer:
Trees have knots in wood and thia makes it harder to cut and I know this because I know someone who cuts wood. Water is necessary for humans and I know this because I feel much less thirsty when I drink it when I am thirsty.
Josh was baking a cake, the recipie he was baking needed 1 quart of pre-mix cakebatter for every 1 pint of water.
It helped them alot by being able to grow their food. The agriculture made it so they could have a large population, be able to defend themsleves from european countries. Even helped them get healthier and more fit.
