Answer:
External and Internal forces.
Explanation:
The earth's relief forms such as Mountains, Rivers, Plateaus etc, are changed because of the action of internal and external forces for example; wind, water or human activities.
Answer:
Various advantages and disadvantages are given as under
Explanation:
<u>Pros</u>:
- As Genetically modified crops are genetically disease resistant they have been proven safe through testing and use.
- They increase the nutrient contents and reduce the worldwide hunger levels, also lower prices of food.
- They lead to environmental benefits such as reduced pesticides use and lower carbon emissions
<u>Cons</u>:
- They have not been proven safe for human consumption through trials.
- Genetically modified crops can lead to the development of various food allergies in the body.
- Increased use of toxic herbicides and pesticides damages soil fertility.
Answer:
Chlorofluorocarbons from the air conditioners !
Explanation:
Spartans lived in harsh conditions, without luxuries, to make them tough fighters. Historical accounts tell of Spartan boys as being allowed no shoes, very few clothes. Young Athenian boys were tutored at home until the age of six or seven , and while older boys were taught more military-type activities, such as running.
