Answer:
A. Nurses, they helped take if the soldiers, B. Doctors were obviously important.
Answer:
B. Organic farmers avoid hybridised crops is the correct answer.
Explanation:
Organic farming is done without using man made pesticides and herbicides that can harm wildlife or environment.Organic farms use animal manure and other organic substances to add nutrient to the soil. They are healthy for us because no chemicals are used in organic farming. The manure used in organic farming help to increase the quality of soil and reduce the carbon emission, nitrate and pesticide pollution. Cropping system is used to keep the insect under check and the farm waste can also be recycled.
Answer:
The answer is C. Irrigation.
Explanation:
Irrigation is the process of applying water to the crops artificially to fulfil their water requirements. Nutrients may also be provided to the crops through irrigation. The various sources of water for irrigation are wells, ponds, lakes, canals, tube-wells and even dams. Irrigation offers moisture required for growth and development, germination and other related functions.
The Middle East's climate and environment make living harsh, so the Middle East requires water resources and suitable land for agriculture. Much of the land that is available for producing food is destroyed by increasing desertification.
Desertification is a sweeping environmental problem, with vast effects in countries such as Syria, Jordan, Iraq, and Iran. Universal causes for a spread of arid environment are unsustainable agriculture practices and overgrazing.