Answer:
are u in ac science?that is in 6th
Explanation:
ok if u arent i can not help u i am so sorry
B, because in all truth and honesty, stress is truly inevitable. Also, use process of elimination. I hoped that helped :)
Distance divided by time is <u>speed</u><u>.</u>
Explanation:
The distance you travel in a certain amount of time would be your speed.
Answer:
Air particles are a mixture of solids and liquids that are microscopically tiny and suspended by air currents. It can stay in the atmosphere for a few hours to a month or two. Their constituents can be various harmful substances such as heavy metals - lead, nickel, arsenic, cadmium or polycyclic aromatic hydrocarbons
Explanation:
Air particles, nitrogen dioxide and ground-level ozone are now considered to be the three most polluting substances in human health. Exposure during peak concentration and long-term exposure to these pollutants can cause damage from respiratory distress to premature death.