The effects of harmful substances such as pesticides, fertilizers and other chemicals in crop production have the following harmful effects:
1. Affects soil fertility when used in excess.
2. Crops produced with the help of such fertilizers are harmful for consumption as it can enter our system and cause several abnormalities.
3. These chemicals can get washed away with water and get mixed with water bodies resulting in water pollution.
4. Such chemicals are also harmful to the farmers who apply it in the fields.
France, England, Spain and either Sweden or Netherlands. Both did so either is ok.
John Garcia was an American psychologist very well-known for his researches that focused on taste aversion in rats and for discovering conditioning taste aversion. Taste aversion is often developed after having a drink or food that causes nausea, vomiting or sickness afterwards. Garcia challenged the idea that:
- any association can be learned equally well.
- conditioning takes place in an even faster and stronger manner when the conditioned stimulus is ecologically relevant.
Therefore, the ability to develop a taste aversion works as a survival mechanism. And, regardless of the taste of the food, sights and sounds, ones can tricky themselves into not liking the taste simply because they relate sickness with it.
Answer:
correct option is D) Whistle only
Explanation:
solution
equipment for fog signals is Whistle only because according to rule 33 of Equipment for Sound Signals
as length 12 meter or more than 12 meter there need only a whistle
and when length is more than 20 meter than bell in addition required with whistle
and length 100 meter or more than gong is additional provided with bell and whistle
so here
correct option is D) Whistle only
Answer:
This photograph shows the Orion Nebula, an interstellar cloud in which star systems - and possibly planets - are forming. Our own solar system presumably formed as gravity caused the collapse of a similar large cloud of gas. The piece of cloud that formed our Solar System is known as the solar nebula.
Explanation: