Author Question: What is the term for an investigation that entails performing an experiment, proposing a hypothesis, ... (Read 64 times)

BRWH · **on:** Aug 27, 2018

What is the term for an investigation that entails performing an experiment, proposing a hypothesis, testing the hypothesis, and stating a theory or law?

A) alchemy
B) chemistry
C) science
D) scientific method
E) none of the above

Question 2

The ozone molecules in the stratosphere absorb much of the ultraviolet radiation from the sun, protecting life on Earth.

At a certain altitude, the temperature of the stratosphere is 240 K and the partial pressure of ozone is Calculate the number of ozone molecules present in 1.00 L of atmosphere at that altitude. A) 2.1 1015 molecules of O3
B) 4.3 1015 molecules of O3
C) 8.0 1031 molecules of O3
D) 1.8 1032 molecules of O3