This equation is impossible. NaSO4 is non-existent. Did you mean Na2SO4?
Oxygen is 21% and nitrogen is 78% so combined is 99%
Answer:
The US surgeon general's 1964 report declared that smoking cigarettes was linked to cancer .
The average global temperature of the Earth has increased by almost two degrees in the last century.
Explanation:
Science and pseudoscience differs in terms of scientific methods involved in any study. Science deals with the practices and beliefs that undergo a method of scientific study. Pseudoscience is the term associated with the ideas and beliefs that tend to be scientific in nature but they fail in their execution of following the scientific methods.
From the given options, two of them are the examples of science and not pseudoscience.
