The movement in phloem is bidirectional, whereas, in xylem cells, it is unidirectional (upward).
Thymine and cytosine are classified as "Pyrimidines" and have one ring of carbon and nitrogen atoms for each base.
Bermuda grass is successful in preventing soil erosion
because the roots of the Bermuda grass can grow deep and it can reach 6 feet
deep more on its surface. Also when the Bermuda grass is damaged it can grow
back quickly.
Answer:
Humans have breached this cycle by digging up fossil fuels and burning them, leading to carbon dioxide building up in the atmosphere faster than natural systems can soak it up. This has led to a net increase in greenhouse gases in the atmosphere, causing the planet to heat up.
Explanation: