Which of the following best describes the long-term impact of using a nonrenewable energy source? a: geothermal energy can disrupt the water table and harm water supplies. b: nuclear power damages the atmosphere by producing air pollution. c: burning biomass to produce energy releases greenhouse gases. d: coal mining can pollute water supplies and kill fish and aquatic plants. i'm torn between c and d : /

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Identify the area on the image where the force of attraction is the strongest.

Which of the following initial observations would more directly lead to this research study? a) ginko biloba is cost effective and also possesses heart-protective, antioxidant, anti-inflammatory properties. b) metformin is an effective treatment of patients with t2d, but shows side effects that complicate the disease state. c) over the past several years, the cost of treating t2d within the united states has increased dramatically. d) many plants contain molecules that improve the health and quality of life of patients with a variety of diseases like t2d. e) t2d affects millions of individuals in the usa and worldwide many of who could benefit from improved therapies.