Human activities can contribute excess amounts of nitrogen and phosphorus into water. Therefore,human causes of eutrophicationinclude the use of agricultural fertilizers. Other causes include sewage and aquaculture, which is the growing or farming of fish, shellfish and aquatic plants.
Answer:
group I: alkali metals
group II (beryllium to radium): alkaline earth metals
group II (scandium to zinc , yttrium to cadmium, lanthanoid series to mercury, actinoid series to copernicium): transition metals
group VII (fluorine to astatine): halogens
group VIII: (helium to radon): noble gases
Explanation:
Answer: C REDUCTION
Explanation:
Guessed after knowing oxidation isn't the answer. Got right
Answer:
sublimation is the transition of a substance directly from the solid to the gas phase without passing throught the intermedate liquid phase
such as the following
dry ice
air fresheners
freese drying
moth balls
Explanation:
Answer:
????? questions there no question
