Answer:
some objects are too far or big to be fully observed from earth so the devices have to be launched, some devices are made to collect samples or bring astronauts into space.
Explanation:
Active sensors, provide their own source of energy to illuminate the objects they observe like ones on earth , An active sensor emits radiation in the direction of the target to be investigated. The sensor then detects and measures the radiation that is reflected or backscattered from the target.
Passive sensors, on the other hand, detect natural energy (radiation) that is emitted or reflected by the object or scene being observed. Reflected sunlight is the most common source of radiation measured by passive sensors. therefore some
Answer:
Canada. Total Production in 2019 - 0.48 million metric tonnes.
Explanation:
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Population change
Explanation:
The change in the number of people living in a city, county, state, province or nation is generally referred to as population change.
Population change is positive when there is an increase in population;
Population change is negative when there is a decrease in population.
- Population is dynamic and it changes over a length of time.
- Migration is one of the leading cause of population changes.
- When people move away from an area, it is called emigration. It is a negative population change
- When people moves to an area, it is positive population change called immigration.
- Other cause of population changes are war, vices, economy, employment opportunities, education etc.
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Answer:
Population.
Explanation:
U.S., India, and China, are the areas of heavy emissions of carbondioxide gas due to areas of dense population. These three countries have about half of the world population i. e. approx. 3 billions of people so vehicles and industries are high in number which releases the greenhouse gases such as carbondioxide and carbonmonoxide while heavy emissions of carbondioxide gas occurs from Germany because there is huge number of industries are there so that's why it is called the industrial heart of Europe.