Learning a little bit more about the second of these two invasives — curly-leaf pondweed — can help us find some answers to the question we started with. For different reasons, this plant often gets ...

Start to count the oxygen bubbles coming from the pondweed for one minute. Water actually contains small amounts of carbon dioxide gas which is dissolved in it. The plant uses the energy from the ...

Start to count the oxygen bubbles coming from the pondweed for one minute. Water actually contains small amounts of carbon dioxide gas which is dissolved in it. The plant uses the energy from the ...