Due to overfarming a field, the soil has become unsuitable for growing crops and is now covered with weeds. Even the worms, which would have been helpful in restoring the soil's fertility, are gone. Which interference most likely occurred?

The transport tubes from food came down the plant are called?

Where are the strongest jet streams located?

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation