Answer:A concave mirror is a spherical mirror with the surface of reflection is curved in an inward direction while a convex mirror is a spherical mirror with a reflecting surface with an outward bulge.
Explanation:
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Answer:
C. keeping the strands separated during replication.
I think
Explanation:
Answer:
1. sperm cell
2.testicles
3.egg
4.ovary
5.fertilization
6.fertilized egg = foetus
Explanation:
<span>B. The overuse of antibiotics. </span>Antibiotics have tremendously helped in in treating infectious diseases but throughout the years, overuse of antibiotics has also been found to contribute in the emergence of antibiotic-resistant diseases, which makes all of us vulnerable because of the lack of treatment for these new strains.