This posting gives a clear answer to a common question for High School students:
" How many elements occur in nature?"
Explanation and reasoning for the correct answer are given in very simple and concise way to make the student understand.© BrainMass Inc. brainmass.com October 25, 2018, 9:42 am ad1c9bdddf
Science is changing every day. What was true 100 years ago may not be so today. Scientific researches and continuous innovation give us new insights every day. These comments fit very well when we try to answer the question "How many elements are present in nature or how many elements occur naturally". Nature is anything between earth and sky including oceans etc . Environmental scientists have proved that those elements that were sometimes called MAN-MADE do show up in nature.
At present periodic table shows 118 elements. Starting at hydrogen with atomic number 1, periodic table ends at atomic number 118 with Uuo. In 1997 scientists at Lawrence Berkeley ...
The solution uses 433 words on how many elements are naturally occurring and how to differentiate between synthetic and natural elements, clearing up all confusion in this area.
Environmental Science - what is meant by the Environmental Revolution?
1. Revolutionary changes in human culture have greatly changed the relationship between humans and the environment. How have the Neolithic and Industrial Revolution impacted the natural environment, and what is meant by the Environmental Revolution?
2. The recycling of elements is another vital functional process occurring in all ecosystems. Describe the biogeochemical cycles for carbon, phosphorous, and nitrogen. How have humans impacted these three cycles?
3. The goods and services performed by natural ecosystems are essential to human survival. What is their overall value, and of what significance is it to measure this value?View Full Posting Details