D. Raising the activation energy
I believe the answer is group 4
Excretory system removes all the wastes from the body through the creation of feces and Urine, maintains the PH level trough the regulation of H+ from the kidneys, and maintaining water balance by controlling the water concentration within the blood plasma during the excretion process of Urea.
Hey there!
<u><em>The proper answer to this question is "Earth day is the day of the year when people get together and clean there community parks, recycle, and save water. Its basically keep the Earth clean".</em></u>
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit
The answer is D. This is because plants are not consumers, so by process of elimination D is the only answer that makes sense.
