Question

1. which is not one of earths four spheres? a. biosphere b. geosphere c. troposphere d. hydrosphere 2. why is rain not part of the atmosphere? a. because it is part of the biosphere. b. because it is part of the geosphere. c. because it is part of the hydrosphere. d. because it affects plants and animals in the biosphere. 3. an invasive species is a species that... a. is non - native b. is non - native and causes harm c. could be native and causes harm d. all of the above

Explanation:

1. Earth's four spheres are the biosphere, geosphere, hydrosphere, and atmosphere. The troposphere is a layer within the atmosphere, not one of the four main spheres.
2. Rain is water in liquid - form and is part of the hydrosphere which encompasses all water on Earth including surface water, groundwater, and water in the atmosphere in different states.
3. An invasive species is defined as a non - native species that causes harm to the environment, economy, or human health.

Answer:

1. c. Troposphere
2. c. Because it is part of the hydrosphere.
3. b. Is non - native and causes harm