What is an example of society positively influencing science? the invention of the cotton gin increasing the need for slaves. people rejecting the heliocentric theory introduced by copernicus. people speaking out against animal testing that lead to the invention of artificial tissue. companies that use technology in place of humans creating fewer jobs for people.

"Companies that use technology in place of humans creating fewer jobs for people" is an example of society positively influencing science.

Option D

Explanation:

The society is positively influencing the science by raising issues that practising research and analysis on animals is cruel and question humanity. So the campaign like PETA has been established which convey society that animal suffering is similar to human suffering.

Researchers are finding alternatives like using 3D print cells which can be developed in a laboratory to originate living structures. This is done to utilize materials rather than livings and such initiatives can eliminate the process of animal testing.

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

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