Plants grow in a soil with a typical pH value between 5.5-8. Levels below or above that do not allow plants to thrive. What can cause a decrease in the pH level of soil?
A)
no-till farming
B)
accumulation of heavy metals
the growth of fungi and bacteria
D)
Applying phosphorus fertilizer in small amounted

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

Is it safe to take 450mg of diphenhydramine hydrochloride?