Answer: Option A) nucleus
Explanation:
Prokaryotic cells lack nuclear envelope, thus the nucleus is absent in Prokaryotic cells.
On the other hand, eukaryotic cells possess membrane bound nucleus and nuclear envelope.
Thus, nucleus is the answer
Answer:
Bipolar Disorder.
Explanation:
This is a mental disorder formally known as maniac depression which comes with different forms of dramatic mood swings which ranges from low to high. According to research, it is said to be caused by hormonal disorder or imbalance in a human body. This could give the said person(s) suicidal thoughts too in the cause of these steady depressions. Treatment of bipolar disorder cannot be pointed out exactly ad it last for weeks and months.
Destruction and replacement of ournative plants by invasive species has several significant consequences. Wildlife that depends on native plants is often unable to adapt and may be forced to leave the area or die out.Invasive aquatic plants can completely fill a water body, driving fish and wildlife from the area.
Well, the <span>cryosphere contains 79% of Earth's frozen freshwater. Like glaciers, iceburgs, so that would be solid water. However the hydrosphere contains 100% of the water on Earth, salt and fresh.</span>