What is the dangerous element in the periodic table?

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

Acommon kind of mechanical weathering is called