Energy must be able to move through and within an ecosystem in order for the ecosystem to function properlyWhich of the following sentences best descnbes a scenario in which energy is moving through an ecosystem via the process of radiation? The sun's rays that warm the surface of a pond OB cool breeze that comes in from the ocean to the shoreline. Heat moves through a layer of soil via direct contact of the soil particies

the backbone of the dna and rna compound is sugar phosphate.

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

voluntary muscles are controlled by the cerebellum.

1. is geographic distribution

2 is increasing complexity

3 is transitional forms