In mammals urine is expelled through the urethra which is part of the excretory system in unicellular organisms waste products are discharged directly through the surface of the cell
Answer:
Emulsifiers
Explanation:
Emulsifiers are substances that enhance the mixture of two immiscible substances. For example vegetable oil cannot mix with water without using an emulsifier
From the energy of photons(light).
Photons give their energy to electrons and through the processes of the light reactions and electron is added to NADP+ to become NADPH.
Answer:
The water turns into condesation (clouds) and then it precipitates and turns to rain, which either leads back to transpiration, or it can also lead to percolation.
Explanation:
<span>It's Denitrification: In the absence of oxygen bactaria break down nitrates releasing nitrogen back into to the atmosphere and using the oxygen for their own respiration</span>