An ecological deficit occurs when the Footprint of a population exceeds the biocapacity of the area available to that population. Conversely, an ecological reserve exists when the biocapacity of a region exceeds its population's Footprint. ... The Ecological Footprint is usually measured in global hectares.
Ecological reserves are areas selected to preserve representative and special natural ecosystems, plant and animal species, features and phenomena. Scientific research and educational purposes are the principal uses of ecological reserves.
Answer:
Correct answers are lever and odometer.
Explanation:
Archimedes is known for many inventions, and among them are two mentioned in here - lever and odometer.
According to historians he invented first odometer during First Punic war, but our knowledge of it was lost until 15th Century.
Everyone heard for his famous sentence “Give me a place to stand on, and I can move the earth”. He said that as he was the one who created the famous Law of the lever.
All other options are wrong. First water mill was according to what we know invented by Philo of Byzantium.
First aqueducts appeared in ancient India.
Highways didn't existed until 20th Century.
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D I think (I just know north European plains are similar to American Midwest)
<u>Answer</u>:
Climate is the long term average weather condition.
<u>Explanation</u>:
Atmosphere consists of the gases and vapour and the layers of atmosphere delinates as troposphere, stratosphere, mesosphere, ionosphere and thermosphere. Climate and weather phenomenon usually occurs in the troposphere. The major difference between the climate and the weather is its duration. The former is of long duration at a larger spatial area and the latter is in shorter duration at a smaller areal extension. Precipitation, temperature, pressure, and humidity are the determinant factors of the climate and weather.
