They are the same thing, but there's also carbon dioxide in the ocean, dissolved as carbonic acid. Carbon dioxide literally means one carbon, two oxygens. CO2.
Answer:
B
Explanation:
Natural selection works by selecting organisms that have unfavorable traits and killing them. However, if all the hydras are identical(from asexual reproduction), then there is no single organism that has a favorable trait over another.
1. Agriculture has to do with farming, cultivating the soil and growing crops, as well as rearing animals to provide food, wool, and other products.
Aquaculture, or aquafarming, has to do with farming of fish, <span>crustaceans, molluscs, aquatic plants, algae, and other aquatic organisms.
2. Recreation has to do with spending leisure time, be it in zoos, aquariums, etc.
3. Biological control has to do with </span><span> controlling pests such as insects, mites, weeds and plant diseases using other organisms, such as parasitoids and pathogens.
4. Genetic conservation </span>applies genetic methods to the conservation and restoration of biodiversity.
Es la degradación de las tierras de zonas áridas semiáridas y su húmedas secas resultante de diversos factores tales como las variaciones climáticas y las actividades humanas según la definición del artículo 1 de la convención de Naciones Unidas de lucha contra la desertification
Water.
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