What is The area where water drains into a river

Provide two examples of things that apply to both relative and absolute dating.

In the nitrogen cycle the transformation of gaseous nitrogen into nitrogen containing compounds is performed primarily by

An unknown metal displaces cadmium (Cd) from solution but does not displace chromium (Cr). Using the activity series, determine the unknown metal.

Which of the following reactions is an example of a single replacement reaction? Select one: a. Mg + AgNO3 - -> Ag + Mg (NO3) 2 b. Fe + O2 - -> Fe2O3 c. C6H12O6 + O2 - -> CO2 + H2O d. H2O - -> H2 + O2

Are alchemy and chemistry the same

Aldo drove 420 miles using 18 gallons of gas. at this rate, how many gallons of gas would he need to drive 357 miles

How many grams of As2S3 are in 3.25 moles?

How does a solid turn into a liquid

What does the Ka represent in the equation and why is it important?

Is an american alligator a autotroph?