enter the oxidation number of one atom of each element in each reactant and product. ch4(g)+2o2(g)⟶co2(g)+2h2o(g)

Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.