Answer:
C :natural gas
Explanation:
Natural gas is a mixture of gases which are rich in hydrocarbons. All these gases (methane, nitrogen, carbon dioxide etc) are naturally found in atmosphere. Natural gas reserves are deep inside the earth near other solid & liquid hydrocarbons beds like coal and crude oil. Also it's an item for natural resource.
Answer:
3)European nations sent explorers to the Americas
Explanation:
After European nations sent explorers to the Americas, the explorers would interact with the Native American populations there. The interactions included sharing foods and spreading disease. Africans were brought to the Americas as slaves after Europeans had begun settling in the Americas.
Answer:
The peoples who most recently inhabited the coast of South Texas were the Coahuiltecans and the Karankawas. Both were groups of interrelated nomadic hunter-gatherer bands that roamed the coast and inland for some distance.
Explanation:
Answer:
The correct answer is Observation, Experimentation and Survey. These three basic designs are used in quantitative research.
Explanation:
Observational research:This represents the observation of the sample data in their elements. For instance one may elect to observe bank customers while they use the Automated Teller Machine (ATM). Mechanical observation uses a mechanical or electronic device to record customer behavior or responses to a particular marketing stimulus.
Experimentation: Experimental research is commonly used in sciences such as sociology and psychology, physics, chemistry, biology and medicine etc.
This involves is a systematic and scientific approach to research in which the researcher manipulates one or more variables, and controls and measures any change in other variables.
Survey:
There are various survey methods are there they are:
- personal interview survey
- telephone survey·
- mail surveys·
- Online surveys
In research of human subjects, a survey is a list of questions aimed at extracting specific data from a particular group of people.
Cheers!
Marco polo was a Venetian merchant believe to have journeyed across Asia at the height of the mongol Empire.