The answer is 9.
First convert 40 cm into metres.
40cm/100= 0.4 metres
0.4 times 9 = 3.6
Answer:
Burning of fossil fuels releases a lot of pollutants such as sulphur dioxide and nitrogen dioxide into the atmosphere, and reacts with the water in the atmosphere to form sulphuric acid or nitric acid. Hence, acid rain is formed as that acid comes down from the atmosphere along with the rain.
Explanation:
Hope this helped!
Answer:
TRUE
Explanation:
remember newtons laws of motion. Every action has an equal and opposite reaction. LOL
<span>The anion is the same, it is the polyatomic anion nitrate (NO3^-1)
Side note: these are incorrect transitions of copper and nickel, it must explicitly be stated. Copper can be copper I or copper II in a compound. Nickel can be nickel I or nickel II.</span>
First calculate density of the the metal (should equal to density of iron)
- Mass=18.2g
- Volume=2.56cm^3
Metal is not iron