As human populations grow, human demands for resources like water, land, trees, and energy also grow. Population growth has relatively easy and inexpensive solutions and because population impacts every environmental challenge — it is an essential element to achieve sustainability.
16.their
15.he's pointing out that the fight for equal rights is the work of all citizens of a free society
18.thoughtful reflection
Answer:
Not soil in garden,No water
Explanation:
To plant a plant we need water if he doesn't have water how can he plant Plant?