1. What is the estimated cost of invasive species to the US economy?
2. Explain how Japanese knotweed affects local ecosystems.
3. Discuss the best control methods.

i do not know

Explanation:

sorry about it

the   square   deal   was   a   program   where   the   government gave any one   a fair   chance   to succeed

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.