A variation is a reference to the differences or deviations, such as the structure and form, as for crossing over is the exchange of genetic material between the non-sister chromatids of the homologous chromosomes during meiosis.
I believe its A i hope that helps
For the sahara desert highest has been 136.4 degrees and it can getvery low at night even way under 30 degrees
Answer:
d. Antibiotics kill some Bacteria and Fungi and are unable to treat Viruses.
Explanation:
Antibiotics are only used to kill bacterias or to decrease their reproductive rate by difficulting their growth and reproduction.
Also, some antibiotics might be used o treat infections caused by some fungi and parasites (but not all of them).
To remember this, you can just think about its name. Anti- means against, biotic- means life. These are substances used to attack certain living beings, such as bacteria. As viruses are not alive cells (they are DNI + proteins), antibiotics have no effect on them.
