3. which of the following would be considered an abiotic factor in an ecosystem? trees water worms birds

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?

Which benefit of the community experience when its members have a hide level of health literacy