What are two ways that organisms gather information about their environment?

In which type of economy do the forces of supply and demand typically drive prices? a. a market economy b. a traditional economy a planned economy d. a command economy select the best answer from the choices provided. 0 0 em oo 0 0

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian

The graph below plots the temperature and luminosity of stars on the main sequence.