What is an ion? a. a group of two or more atoms that acts like one atom b. a compound that contains two elements c. a particle in the nucleus of an atom that has no charge d. an atom or particle with a positive or negative charge

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity