Which are statements that are true about ecosystems?

hunters have a part in balancing the earth's ecosystems.

in a healthy ecosystem, the removal of one organism will have little effect on the rest of the ecosystem.

the sun is the primary source of energy in an ecosystem.

your backyard is an ecosystem.

the health of an ecosystem is sometimes improved by human activities.

producers return nutrients to the soil.

you can choose more than one

Like ancient india, ancient china was generally ruled by a dynasty. which of these statements best describes this system of rule? a. rule of the country was passed down by inheritance. o b. rule of the country was voted on by the people. o c. rule of the country was decided by a committee of elders. o d. rule of the country changed hands through violent uprisings. submit

The california gold rush: actually had only a small impact on california’s population because its rich farmlands already attracted thousands of new settlers each year. attracted almost equal numbers of men and women. resulted in laws that discriminated against “foreign miners.” made considerable wealth for average miners because gold mining demanded no real investment of capital. hurt the development of san francisco because gold discoveries shifted interest to areas outside of town.

Why was galileo galilei brought before the inquisition? for insisting that earth stands still at the center of the universe for proving that planets move in elliptical orbits for putting forth evidence that earth moves around the sun for suggesting that the sun is a star