Which of the following accurately describes one of the possible steps in testing soil PH?

A.) Water and baking soda are added to the soil
B.) A blend of baking soda and vinegar are added to the soil.
C.) The soil is washed and drained thoroughly before testing.
D.) The soll is dried completely.

Pixels are often referred to using dpi, or dots per inch. true\false

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.