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Scientists who do "pure science" focus on science without regard to applications. Typically, scientists have something in mind when they are researching, for instance cancer curing or practical inventions. Pure scientists focus only on the science.
Scientists have to measure things accurately or else science would be pointless,
Observation helps scientists gather an collect data, which without, their experiment(s) could not exist
because of the friction -and without food chain are sprayed
Scientists use experiments to either confirm or disprove their hypotheses. Without this experimentation, science could not advance.
Without scientists, what is science? Without no one to questions the bounds of our reality and understand of the world, there can be no science.
scientists use spacecraft without people to explore space because scientists need to know more about space and the solar system
with there eyes
A fire.
Observation helps scientists gather an collect data, which without, their experiment(s) could not exist
without it scientists wouldn't be able to perform experiments and thus, wouldn't learn anything.
You can germinate lima beans by putting them between two paper towels, covering them with something that light does not get through like a newspaper and keeping them wet.
It means that the person didn't actually do anything or accomplish any work; they just acted as though they were doing something without putting any effort into it.
Antarctica has no native human population; there are only scientists, explorers and adventurers passsing through. Without a fixed population, no way to determine a currency or a language.
Without the name of the chemical, we can't give you an answer.
By definition, science is created by scientists. There is no science without scientists, so the level of contribution of scientists to science is 100%. Technology requires science as well.
A balanced one.