Approximately what percentage of the atmosphere is made up of elements other than nitrogen and oxygen?

A. 50 percent incorrect answer

B.10 percent incorrect answer

C. 5 percent incorrect answer

D. 1 percent

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!

to defend?

explanation: