Biotic natural resources also include fossil fuels such as coal and petroleum which are formed from organic matter that has decayed. Abiotic: these resources come from non-living and non-organic material. Examples of these resources include land, fresh water, air, and heavy metals (gold, iron, copper, silver, etc.).
Answer:
C) Urea
Explanation:
Wohler was a German chemist who was known for his Urea experiment in which he was able to produce organic substance from the inorganic substance.
While he was working on the experiments where he could get cyanide as a product on heating, one day for which he heated the ammonium cyanate (inorganic substance) and got crystals with other physical and chemical properties called urea (organic substance).
Thus, C) Urea is the correct answer.
The synthetic estrogen-like hormone is classified as a xenohormone. Xenohormones have hormone like affects when absorbed or ingested by animals. As a result, they cause a variety endocrine complications. These types of compounds in the environment can easily find their way into the fishes that humans consume and eventually cause endocrine problems in the human population.
