The correct answer is an experiment.
An experiment refers to an investigative study, where a researcher scientifically tests a hypothesis. Specifically, a researcher tests the effect an independent variable (manipulated variable) on the dependent variable (outcome), to investigate whether there is a causal (cause and effect) relationship between the variables. For instance, if a researcher wants t<span>o determine a cause and effect relationship between alcohol consumption and driving ability, he or she would use an experimental research study to do so. </span>
answer:
airway transportation and roadway transportation
explanation:
there are 5 types of transportation
railways, roadways, airways, waterways and pipelines.
so
thats the answer^
The tractor should be selected based on the following factors :
- Land holding: Under a single cropping pattern, it is normally recommended to consider 1 hp for every 2 hectares of land
- Cropping pattern
- Soil conditions
- Climatic conditions
- Repairing facilities
- Running cost
- Initial cost and resale value
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Short answer C
A is wrong. The oil producing countries in the middle east do not have a manufacturing base.
B is also wrong. Saudi Arabia is the largest exporter of oil. There is no need for them to import any oil at all. They produce a very clean low content sulfur type of oil.
C is the answer <<<<< answer