A heart pound? I'm guessing lmaoooo
................... and living organism together make up THE SOIL.
Soil is the uppermost layer of the earth in which plants grown. It usually have a dark or brown coloration as a result of the decaying organic materials which it contains. There are different types of soil depending on the type of particles which they contain, but the best soil for agriculture is loamy soil.<span />
Acids are substances that provide hydrogen ions (H+) and lower pH, whereas bases provide hydroxide ions (OH–) and raise pH. The stronger the acid, the more readily it donates H+. For example, hydrochloric acid and lemon juice are very acidic and readily give up H+ when added to water. ( source : https://courses.lumenlearning.com/wmopen-nmbiology1/chapter/the-ph-scale/ )
I believe the answer is quite simple.
She must've compared the clothing washed with the new detergent with the old one. Jenny must've looked for stains, odour, etc. These would help determine whether or not the new detergent worked better.
