Question

a tree taking in co2 (carbon dioxide) is an example of what interaction?
o biosphere and atmosphere
o geosphere and atmosphere
o biosphere and cryosphere
o atmosphere and hydrosphere
question 5
a volcano emitting poisonous gases is an example of the interaction between ____.
o geosphere and hydrosphere
o geosphere and atmosphere
o hydrosphere and atmosphere
o cryosphere and biosphere

Explanation:

1. For the first question, a tree is part of the biosphere (living organisms) and carbon - dioxide is in the atmosphere. So it's a biosphere - atmosphere interaction.
2. For the second question, a volcano is part of the geosphere (solid Earth) and emitting gases into the atmosphere, so it's a geosphere - atmosphere interaction.

Answer:

Question 1: biosphere and atmosphere
Question 2: geosphere and atmosphere