Answer:
D. Using only geothermal energy is a sustainable practice.
Explanation:
Geothermal energy is heat derived within the sub-surface of the earth.
To catch and kill field mice, because field mice scare some of the animals. <span />
Sieve tube member cells are living cells, have companion cells and are typical for gymnosperms.
Tracheids have secondary cells walls and are functioning like dead tubes that enable the flow of water through the plant. Tracheid occurs in vascular plants, both angiosperms, and gymnosperms.
