23. Increased levels of greenhouse gases in the atmosphere contribute to global warming by O allowing more sunlight to reach Earth O preventing the heat radiated from Earth's surface from escaping into space promoting and sustaining forest fires and other forms of combustion that release heat O destroying ozone​

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.

What are the characteristics of living things

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!