Answer:
d.none of the above
Explanation:
Ethylenediaminetetraacetic acid is a type of negatively charged ion.....
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Answer:
The answer viruses, just took the test
Explanation:
Answer:
Reactants have more energy than products
Explanation:
Generally, in an exothermic reaction heat is released. In other words, energy is released. So you start with reactants which have a set amount of stored chemical energy, and you lose some in the reaction. Since energy is 'leaving', the stored chemical energy in the products is less than what we started with in the reactants. When given a graph, you can tell this is true because going from left to right, the line representing the stored chemical energy will start at a higher level than where it ends.
I'm not exactly sure if this is the answer you're looking for, but the kidney is an organ and the excretory system is an organ system.
False cause they give the truth in a disguise