Answer:
A. A region of chromosome breaks of And joins either end of same chromosome or another of non homologus chromosome.
Answer:
Deep within the Earth it is so hot that some rocks slowly melt and become a thick flowing substance called magma. Since it is lighter than the solid rock around it, magma rises and collects in magma chambers. Eventually, some of the magma pushes through vents and fissures to the Earth's surface
Explanation:
USGSwww.usgs.gov
B. is the correct answer. It makes sense too because vaccines are usually inserted in a vein, which is where the bloodstream is. With all of this medicine in your body, the virus will come into the body, the body will recognize what the virus is, sending out the antibodies from the vaccine into the bloodstream and all around, then the virus is dead. :)
The endothermic process is any process which requires or absorbs energy from its surroundings, usually in the form of heat. It may be a chemical process, such as dissolving ammonium nitrate in water, or simply the melting of ice cubes.
Answer:
The first layer (crust) is rock
The second layer (Mantel) Is molten rock
The third layer (outer core) is liquid iron and nickel
The fourth layer (inner core) is solid iron and nickel
Hope this helps :)
