The answer is D, Rough endoplasmic reticulum.
The correct answer is B. Cars driving along a highway.
Explanation
Most of the cars have been developed with combustion engines, that is, the engines that use the cars require fuel for the car to run and run. the most frequenly fuel used in cars is diesel or gasoline, these are petroleum-based products, and when subjected to the combustion process, produce polluting gases that affect the health of humans, animals, and plants, They also deteriorate air quality, and damage the ozone layer. So, the correct answer is B. Cars driving along a highway.
Im pretty sure its hypothesis
Example of selective breeding: Cows that produce lots of milk. Selective breeding to create more useful varieties of animals and plants is a form of biotechnology that human beings have used for thousands of years. Biotechnology includes any use of science or technology to alter the characteristics of a particular breed or animal.
A T cell, or T lymphocyte, is a type of lymphocyte a type of white blood cell that plays a central role in cell-mediated immunity.
