Changes to Soil pH. If vinegar concentrates are added to the soil instead of being sprayed onto plant foliage, they kill weeds by lowering the soil pH to a level that cannot sustain the plants. Depending on the soil type and the weather, this acidifying effect can take from a few months to a year.
Engagement rate is the percentage of people who saw a post that liked, shared, clicked or commented on it. To see the engagement rate for your posts: 1  At the top of your Page, click Insights. 2  Click Posts. 3  Scroll down to All Posts Published.
RickJ Registered User Posts: 163 Junior Member. There is no test date that has higher scores. Act sets the curve based on the percentiles which means the same percentage of people get a 36 each time and the same percentage of people get a 35...etc. 0 Â· Reply Â· Share on Facebook.