Vaccines train our immune systems to create proteins that fight disease, known as antibodies’
Answer:
Change in direction
Explanation:
"Rotation" refers to an object's spinning motion about its own axis. "Revolution" refers the object's orbital motion around another object.
Answer is B. The length of a day on mercury is much longer than Earth
Answer:
Recombinant plasmid
Explanation:
Researchers can insert DNA fragments or genes into a plasmid vector, creating a so-called recombinant plasmid.
This plasmid can be introduced into a bacterium by way of the process called transformation.
B because the periodic table tells you the groups of the elements
