A student wanted to see if a new fertilizer would actually make plants grow better. He had a total of 10 plants. He gave 5 of the plants the new fertilizer , the other did not get it. the plants got the same amount of water and sunlight. After 3 weeks, the plants with the fertilizer were all taller than the plants without fertilizer

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98