The human population has increased rapidly since the 1700’s. For most of human history, there were fewer than half-billion people on Earth. In mid- 2009, 6.7 billion

people inhabited our planet. Because of these, extensive pollution is everywhere. As

a student, what can you do to save not only a particular system, but the Earth

itself? Write your answer in the table.

to sow awareness in the community about the importance of caring for our environment

Explanation:

The pollution is the adverse introduction of contaminants in the environment by human action. Pollutant compounds have different origins and they appear in the form of chemical substances, noise, heat, light, etc. The best way to avoid pollution on our planet is to raise initiatives for improving environmental policies and thus promoting sustainability in our communities. It seems like a small contribution, but it is important to have into account that behavior change is the most powerful thing that we have to produce big results.

Some good ways to avoid pollution are:

-Restricting the use of the wood stoves

- Reduce the kilometers in your car

-Avoid burning trash, and other substances

- Avoid the use of plastic material (such as plastic bottles)

well the answer is 2!

measuring physical properties lab reportinstructions: in the physical properties lab, you will test the physical properties of different building materials in order to pick the appropriate materials for a new home in tiny world. record your observations and test measurements in the lab report below. youwill submit your completed report.name and title: lyric lawton, mr.herbert, 10/13/17, physical properties lab. objective(s): i need to parvus build his house out of the right material, so he will stay cool in the mountains.hypothesis: if we use wood to build the roof of the house, then the temperature inside the house will remain cooler.if we use clay brick to build the walls and floors of the house, then the temperature inside the house will remain cooler.if we use aluminium to bring electricity into the home, then it will allow electricity to flow into the home at a faster rate.if we use iron to construct the latches on the windows and doors, then the magnetism will keep the latches secure.