The Central American Vegetation/Land Cover Classification and Conservation Status consists of GIS coverages of vegetation classes (forests, woodlands, savannas, shrubs, grasslands, wetlands, rocks, sand, soils, inland waters, parks and reserves) for Central America, derived from 1-kilometer resolution Advanced Very High Resolution Radiometer (AVHRR) imagery. This data set is produced by Proyecto Ambiental Regional de Centroamerica/Central America Protected Areas Systems (PROARCA/CAPAS), a conservation partnership of the Central American Commission on Environment and Development (CCAD), U.S. Agency for International Development (USAID), International Resources Group, Ltd. (IRG), The Nature Conservancy (TNC), Winrock International (WI), and is distributed by the Columbia University Center for International Earth Science Information Network (CIESIN).
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:
Yes, with a condition.
Explanation:
Renewable energy sources and have always been available on the planet, but until recently, humans have not had the technology necessary to harness them. Since solar and wind energy are limitless, it clearly makes sense to invest the necessary amounts of money to build one-time infrastructure capable of powering all human activity without depleting natural resources.
The condition that is a prerequisite already being fulfilled is that technology be developed to make alternative energy solutions <em>economically viable and profitable </em>enough to be able to compete with traditional non-renewable sources.
Answer:
A
Explanation:
China produces 30 percent of the world's rice production
