Which of these is a mixture? a) air b) water c) hydrogen chloride d) carbon dioxide

A) air

Explanation:

air is a mixture of various gases ...

Hey!

--------------------------------------------------

A chemical compound is substance that is made up of similar molecules made of atoms from different elements tied together with chemical bonds. A mixture is a combination of 2 or more substances. Water, Hydrogen Chloride, and Carbon Dioxide are chemical compounds while Air is a mixture.

--------------------------------------------------

Hope This Helped! Good Luck!

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation: