The answer is that <span>all
veins carry blood back to the heart, except for the pulmonary vein. the
vena cava empty into the right side of the heart, so they technically
bring blood to the
</span>main atrium.
Answer:
the mean effect is dead you and your family
The answer is an envelope.
A virus is an infectious agent that can replicate only inside a host cell. When it is outside the cell, it consists of genetic material coated with protein capsid. Some viruses also have an envelope which covers capsid. The function of the envelope is to identify and bind some receptor sites on the host membranes. After fusing with the cell membrane, it allows to capsid and genetic material to enter the cell and infect it.
Answer:
C. there are twelve frogs, which is the most
A hypothesis cannot be wrong, because it is an educated guess. You cannot prove a guess wrong. A guess is something you think, and there is no right or wrong answer to thoughts.
