A student made a model to show the cycling of carbon. Food > Consumers > Carbon dioxide > Producers > Sugar

Which necessary step in carbon recycling is missing from the student's model?

A. Fertilizer, because it gives plants nutrients for growth
B. Rocks, because they are broken down to make soil
C. Pollinators, because they spread pollen from plant to plant
D. Fungi, because they break down dead organisms

What happens when the temperature of a solution increases?

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

Answer asap need by wednesday morning explain how a buffer works, using an ethanoic acid/sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.