When we read about soluble salts, we may think only of table salt, sodium chloride, but, more
accurately, soluble salts are all types of ____ dissolved in water.
a. organic molecules c. fungi and molds
b. microbes d. minerals
Question 2Warmer indoor environments cause soil moisture to evaporate more quickly and for plants to respire at
higher rates, thus needing ____ than similar plants in slightly cooler indoor environments.
a. less frequent watering c. more amendments in the soil
b. more frequent watering d. fewer amendments in the soil