A source water has 100 mg/L as CaCO3 of Calcium Carbonate Hardness. In addition it has 50 mg/L as CaCO3 of Magnesium Carbonate Hardness. Assumptions: Ignore carbon dioxide in the water. Ignore primary and secondary recarbonation, as well as excess lime. With the data you have and the assumptions taken into account, determine how many pounds per day of lime are needed for a 5 MGD flow. Group of answer choices

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

What are the chemical names of these compounds? ke: mg3n2: reset next