Which of the following statements is true? water is not a limiting factor in an aquatic ecosystem. an ecosystem can carry an unlimited number of organisms. in a balanced ecosystem, there is no competition for resources. population density is number of individual organisms of a species living in a unit of area.

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What statement goes against the kinetic theory of gases