Positive feedback is a control system that sends a signal to ( increase) a response.
They help absorb nutrients <span />
Answer:
I think freemason leaders
Explanation:
The oldest fossil evidence of seed plants is of Late Devonian age, and they appear to have evolved out of an earlier group known as the progymnosperms. These early seed plants ranged from trees to small, rambling shrubs; like most early progymnosperms, they were woody plants with fern-like foliage.
Answer:
Maple beeches and Birches
