Answer:
spanner is a second class lever where load is between fulcrum and applied forces .
The correct statement is: t<span>ransduction-virus transfers genes from one bacteria to another. This is a process in which a virus is responsible for transferring DNA from one bacterium to the other. This process does not require physical contact between the cell donating and cell receiving the DNA. Transduction is used by molecular biologists to experiment on host cell genomes when foreign genes are introduced.</span>
Minerals, just think about it you know rocks have minerals in it, water has minerals and soil is rock almost.
B.
Asbestos was used in housing for many years because it was cheap to manufacture and was amazingly heat-resistant, but was found to be incredibly dangerous, causing innumerous accounts of lung cancer and related problems.
This is from memory, but I will double check after I answer.