Desmond wanted to paint his bedroom. He went to the hardware store and was shown a variety of different paint colors from which to pick. Paint is an example of which kind of product that is made with chemicals by humans?

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity