A balloon expands as it fills with air. Which statement explains what happens to the internal pressure? A)The observed pressure is increasing as the collisions of gas molecules increase.
B)The observed pressure is decreasing as the collisions of gas molecules increase.
C)The observed pressure is decreasing as the collisions of gas molecules decrease.
D)The observed pressure is increasing as the collisions of gas molecules decrease.

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

Geothermal energy for industrial use is available almost anywhere. a. true b. false

Compare and contrast refraction of light and sound will give brainliest