The first one since your doing on the whole neighborhood and not just that one location. You need find the average soil quality and so you need to sample 10 different locations in that neighborhood.
There's a lot of compounds but one really known one is H2O because it's made out of hydrogen and oxygen atoms.
Explanation:
Production. According to the U.S. Energy Information Administration, most of the nation's electricity was generated by natural gas, coal, and nuclear energy in 2018. Electricity is also produced from renewable sources such as hydropower, biomass, wind, geothermal, and solar power.
Answer:
Explanation:
Earth Mars Jupiter Saturn Uranus Neptune
Pluto is no longer considered a planet although it too has five moons.
