Podcast
Questions and Answers
What is the purpose of using herbicides on fields?
What is the purpose of using herbicides on fields?
To kill weeds that compete with crops for water, space, and nutrients.
Explain why farmers use insecticides on their crop fields.
Explain why farmers use insecticides on their crop fields.
To remove harmful insects that can damage the crops.
Why is it mentioned that hand-pulling weeds raises humanitarian issues?
Why is it mentioned that hand-pulling weeds raises humanitarian issues?
Due to concerns regarding working conditions and related humanitarian factors.
What are some examples of pests that pesticides are used to control?
What are some examples of pests that pesticides are used to control?
Why is it stated that the phrase 'chemical free' is a marketing gimmick?
Why is it stated that the phrase 'chemical free' is a marketing gimmick?
Why do farmers use herbicides to control weeds instead of alternatives like hand-pulling or tillage?
Why do farmers use herbicides to control weeds instead of alternatives like hand-pulling or tillage?
What is a chemical according to one good definition?
What is a chemical according to one good definition?
What is a chemical bond?
What is a chemical bond?
What was initially thought to be the smallest component of matter?
What was initially thought to be the smallest component of matter?
What information can be found on a Periodic Table of Elements?
What information can be found on a Periodic Table of Elements?
What does chemistry focus on in terms of atoms and elements?
What does chemistry focus on in terms of atoms and elements?
How is the colloquial use of the word 'chemical' different from its scientific definition?
How is the colloquial use of the word 'chemical' different from its scientific definition?