Your friend is trying to find the density of olive oil. She pours olive oil into a beaker and measures its mass. She then uses the mass and the volume of the beaker to calculate the density. Suggest three ways that she could improve her method.

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

Which of the following is the scientific term for an organism that makes its food from inorganic materials? a. autotroph b. heterotroph c. embryotroph

Why is the limitations on supplies of freshwater becoming an increasing problem despite the fact that we have desalination technologies