The strength of an electric field can be evaluated by looking at how close the
fields lines are together.
true or false?

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?

Vinegar has a ph of 3, and household ammonia has a ph of 11. is the concentration of h+ greatest in the vinegar or ammonia?