A farmer wants to properly manage her soil to prevent a situation like the Dust Bowl. What is the best way to manage the soil?(1 point) frequently dig the soil to get rid of unwanted plants allow plants such as grass to root in it water the soil frequently remove humus from the soilf

All of the following are part of the biosphere except

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .