The picture shown depicts many microscopic organisms that can live in extreme environments such as hot springs and hydrothermal vents. These are organisms with no nucleus that can be found in extreme environments. What kingdom do these
organisms belong to?
a
Archaebacteria
b
Protists
c
Fungi
d
Animalia

Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.