The third option because the elements mentioned in that selection are in the same group, they must have similar properties.
I'm assuming you wanted this equation balanced? If you typed it correctly, it's already balanced for you. :)
1 kpa = 7.5 mm of Hg [Remember it or can be found on internet ]
So, 275 kpa = 7.5 x 275 = 2062.5 mm of Hg
Fossil fuels are <span>a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms</span>
Answer: The nonliving parts of an ecosystem are called abiotic factors. Abiotic factors include water, sunlight, oxygen, temperature, and soil.