Answer:
A.
Explanation:
There are no vehicle emissions other than water vapor. This means no pertroleum products and no fossil fuels. :)
-Sienna Sushi
It provides a history on how plants and animals have changed over time
Answer:
Electron affinity increases upward for the groups and from left to right across periods of a periodic table because the electrons added to energy levels become closer to the nucleus, thus a stronger attraction between the nucleus and its electrons.
Answer:
oxidation number
Explanation:
Describes the degree of oxidation of an atom in a chemical compound.
So, first off let’s look at what an independent and dependent variable is.
an independent variable doesn’t change when other variables change, therefore making it alone and independent.
a dependent variable changes based on other variables.
so, i don’t have enough information on your experiment to know the answer but think to yourself, what is changing over time based on something else changing (dependent variable) or think does this thing stay the same no matter what (independent variable).
hope this helps!
