Are you serious? Is this a 'trick' question? You don't know that silica has density greater than water? Trick Question....
I'm beginning to 'wonder' about this site. I'll bet you're stood-up by an ABC-Agency.
Who would ask kids this kind of question?
Info-miner's or 'profilers'!
Answer:
d. a theory.
Explanation:
A set of logically interrelated statements that attempts to describe, explain, and (occasionally) predict social events is known as a theory.
A theory is a body of systematized ideas that is formulated with the intention of explaining concepts and justifying certain courses of action.
In certain cases such as research, theories can be used to predict other variables. It can be said to be a body of generalized thought or belief that can be learnt and thought, as the set of principles that apply to a particular item concept or event.
Answer:
Septic systems.
Explanation:
A septic system refers to a highly efficient, self-contained system for handling underground waste. The simple design of the septic system make them economically efficient to install. Since septic systems handle and dispose of on-site household waster, they are often more cost-effective than consolidated sewer systems in rural areas where lot sizes are larger and houses are widely spaced apart.
The worldview of Sikhism is similar to the Hindu philosophical school called <u>Sankhya.</u>
One of the more modern religions, Sikhism or Sikh Dharma, was born in the Punjab region of the Indian subcontinent towards the end of the 15th century CE.
With over 25–30 million adherents as of the early 21st century, it ranks as the fifth-largest significant organized religion in the world and is the most recent to be established.
The spiritual teachings of Guru Nanak (1469–1539), the faith's founding guru, and the nine Sikh gurus who followed him, served as the foundation for the development of Sikhism.
The Sikh text Guru Granth Sahib was designated as the tenth guru by Gobind Singh (1666–1708), ending the line of human gurus and designating it as the last eternally living guru and a source of religious inspiration for Sikhs.
Hence, option A is correct.
To learn more about Sikhism here
brainly.com/question/12413497
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