<span>The two main factors that determine nuclear stability are the neutron/proton ratio and the total number of nucleons in the nucleus</span>
Answer:
Most protists move with the help of flagella, pseudopods, or cilia. Some protists, like the one-celled amoeba and paramecium, feed on other organisms. Others, such as the one-celled euglena or the many-celled algae, make their food by photosynthesis. ... Theyuse pseudopods to move away from bright light or to trap food.
Hazardous wastes is wast that is very harmful for the environment like oil. They are difficult to deal with because they are hard to clean up. Again oil is a hard substance to clean up specially if it spills in the ocean.
The correct answer here is "cell membrane". Generally it makes sure that nothing enters or leaves the cell, except by its highly guarded "gates", such as ion channels, that let some particles through - but they're very picky about whom to let in!
Answer: Vegetative propagation is an a s exual method of plant reproduction that occurs in its leaves, roots and stem.