Im having trouble with a science question. what are the divisions in earth's atmo sphere primarily based upon?

Which landform represents a large area of flat or gently rolling land? A. Delta B. Dune C. Plain D. Plateau

What is most likely to cause a cancerous mass to form in a lung? A meiotic division of normal cells B the introduction of toxins through breaks in the skin C the uncontrolled division and growth of abnormal cells D prolonged exposure to very dry air

Which of the following could be a characteristic of the fossil that is most closely related to humans? S-shaped back bone Arms longer than legs Water-dwelling Tree-dwelling

Carbon dioxide, water, and energy are the products of aerobic respiration photosynthesis anaerobic respiration digestion

Describe how a photosystem converts light energy to chemical energy

List four factors that can cause slope or land movements

Which best describes the scientists who have contributed to our current body of knowledge? A. Almost all males B. People of all races and genders C. Almost all Europeans D. Currently only South Asians

Which process occurs in mitocodria

Biogeographic isolation separates of a species through geographical and biological forces.

The scientists that first described the structure of DNA were: