Which of the following is a mixture?

A. salt
B. helium
C. air
D. gold
E. iron


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

Upon combustion, about how many grams of water vapor are produced from every 16 grams of methane, CH4?  CH4 + 2 O2 ? CO2 + 2 H2O

A. 16 grams B. 36 grams C. 8 grams D. 18 grams

Environmental & Atmospheric Sciences

NASA's ____________ is a string of satellites that orbit Earth one behind the other on the same track so their

collective observations may be used to build three-dimensional images of Earth's atmosphere, ocean surface, and land topography. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

What is a way humans try to stop beach erosion?

What will be an ideal response?

Environmental & Atmospheric Sciences

The First Peoples were the ancestors of all indigenous people in the Americas

a. True b. False Indicate whether the statement is true or false

Environmental & Atmospheric Sciences