It is a measurement of population per unit area or unit volume.....
BASIC AND BEST :)
By the change of environment, use sensory organs
Answer:
There is a big public park near a manufacturing factory that emits harmful gases, where his children can play.
Explanation:
It's pretty self explanatory. Harmful gases are harmful. The children are in serious danger by playing in that park and inhaling these gases from the factory.
Ancient Egypt was concentrated on the Nile River.
i need the vocab words for this.
