Assertion-ozone layer protects us from the infrared rays of the sun. Reason-infrared rays causes cancer.

i) A and R are true, r is correct explanation
ii)A is and R are trye, r is not correct explanation
ii) A is true, R is false
iv)A is false, R is true

Long term exposure to waves can cause sunburns and skin cancer.

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.