Matthew is assigned a project to learn about cellular respiration. he discovers that the krebs cycle is a process which occurs in the

burning fossil fouls really decrease the carbon in the atmosphere so b

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.