The soil of Antarctica has little organic content because it is permafrost. This means that the soil is always frozen because of very cold temperatures. Because of this, usually, little-to-no plants or animals can live in it.
Answer:
Nitrate and phosphate levels rise at a rapid rate
Excessive Plant growth and algal blooms cover the surface of the pond, blocking out sunlight.
Underwater plants begin to die due to lack of photosynthesis, which reduces the amount of dissolved oxygen in the water. Animals also begin to die due to less plants available for food.
Explanation:
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Answer:
The answer is B. A book sitting on a high shelf.
Explanation:
Because the book is balanced, and something that is balanced stays balanced until you move it.
Answer:
field studies
Explanation:
The documentation and collection of descriptive details of events in nature such as amounts, sizes, colors, smell , behavior, texture e.t.c are all categorized as field studies.
It involves the gathering of raw data outside a laboratory.
- Often times, based on the needs of an experiment, it is desirable to corroborate laboratory studies with field evidences.
- The approach in gathering such data varies from discipline to discipline.
- Most field sampling are usually done in an uncontrolled environment.