Answer: True
Explanation:
In a coal-fixed power station, coal is burnt to heat up water which then turns into steam. This steam is then channelled to turbines that are connected to generators. When the steam makes the turbine turn, electricity is produced by the generators.
These are the main type of plants used in the developing world to create electricity however they cause a lot of pollution, particularly of air.
Answer:
Dictionary
Explanation:
Most Data types do hold only one value as an element, python's Dictionary holds key/value pair. In Python, DICTIONARIES are unordered collection of data. These data are used to store values, for instance in the question given, writing the script that will make use of user input contact names and their associated phone numbers; DICTIONARY is ideal for storing and accessing these associated values.
When creating a python's Dictionary it is worthy of note that dictionary keys are case sensitive. Dictionary, in Python can be created by imputing sequence of elements within - {}, and then you separate {} by ‘comma’. For example;
# Creating contact names
Dict = {}
print("contact name: ")
print(Dict)
Answer: Confidentiality of the individual subject's responses.
The most important issue that the researcher addressed while planning this research was to keep the confidentiality of the individuals who participated in the survey. By simply answering the questions anonymously and dropping them in the survey box, participants were able to express their thoughts more freely.