Question

SCIENCE)
(1) Which of the following
statements is a scientific
inference?
(A). Data suggests that Mars once
had liquid water
(B). Repeated measurements of a
quantity will reduce random error
(C). Electrical equipment should be
grounded
(D). A measurement has three
significant figures
Question List​

Answer 1

Explanation:

B hai iska answer may be

i am not sure

Answer 2

Scientific inference among given options is - (A). Data suggests that Mars once had liquid water

Scientific inference refers to reaching a conclusion on the basis of scientific analysis of data, evidence acquired through scientific research.

Mars is a planet in our solar system. There was a hypothesis of presence of water on the planet.

To prove the fact, researches were done with the help of acquired data through various telescopes, it's environment, Mars rover etc. Thus it is a scientific inference.