Answer:
Hypoxia or low levels of oxygen
Explanation:
One of the negative impacts of eutrophication and increased algal growth is a loss of available oxygen, known as hypoxia. These anoxic conditions can kill fish and other aquatic organisms such as amphibians.
They are both known to be heavy, hydrogen is one of the two stable isotopes of deuterium
<span>Answer:
Careful observation can lead to consolations even though the underlining reason or mechanism behind the phenomenon is unknown</span>
Answer:
Prophase; when the nuclear envelope breaks down,
prometaphase; the physical barrier that encloses the nucleus, called the nuclear envelope, breaks down
metaphase; The chromosomes line up across the center of the cell
anaphase; The centromeres split
telophase; The chromosomes begin to stretch out and lose their rod-like appearance