Which of the following factors would prevent the ecosphere being classified as a closed system?
The input of solar energy
The re-radiation to space of heat energy
O The arrival of rocks as meteorites from space
The unstable state of its equilibrium

Chinese privet is a plant that is native to china. over 150 years ago, chinese privet was introduced to the united states as a fast-growing shrub that serves as an excellent privacy hedge. with no natural herbivore, chinese privet quickly established itself and spread in natural areas throughout the southeast and eastern seaboard of the united states. its dominance in these areas has jeopardized the survival of native plant species. chinese privet provides evidence that introducing non-native organisms can cause environmental damage integrated pest management strategies will not decrease chinese privet populations american gardeners can easily control the spread of chinese privet non-native plant species have type i survivorship curves

The influenza virus cause the flu, but not other diseases. why?

What are the 3 types of artificial cloning