Explain how changes in Earth’s systems affect the growth of life on Earth. Its a mini writing so maybe like 4 or 5 sentences!

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

The polio virus can cause skeletal muscle paralysis by destroying neuron cell bodies. what area of the spinal cord is destroyed