Climate Change - Push for more sources of sustainable or green power sources like wind and solar.
Plastic in our oceans hurting wildlife - Use less single use plastics and also resuse plastics so there are less plastics in our oceans
<span>b. chemistry, specifically the anions within the chemical formula</span>
Phosphate
Because it is the group of the molecules
Like 50 miles for the outermost layer which is called the LITHOSPHERE