Which of the following is an example of qualitative observation? joseph is observing the color difference in the reaction mixture of each of the test samples to see what types of proteins are present in them. joseph is measuring the color of the reaction mixture colorimetrically to see the concentration of proteins in the sample. joseph is observing the color of the reaction mixture to see whether proteins are present in the given solution. nextreset

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

Which process of living things produces water that enters the water cycle

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex