A scientist believes that a factory has been dumping acid into a local river To test this hypothesis which property of water should the scientist monitor

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

In which of the following relationships is one organism always benefited while the other organism is always harmed