Answer:
The smaller object will move at 30 m/s
Explanation:
From the principle of conservation of linear momentum,
Momentum of objects before collision = momentum of objects after collision.
where 
are the masses and velocities of the objects 1 and 2 respectively before collision.
Hence, the object will move at 30 m/s
Answer that does not describe the structure of an atom: The electron clod is a small and compacted space around the nucleus.
Bye and thx ;)
Answer:
I think it's True
Explanation:
Natural selection is theory that is backed by observable evidence.
Base, ribose, nucleotide, as well as the inclusion of three phosphates
Answer:
b) Have a variable region that can activate complement or attach to macrophages.
Explanation:
Antibody:
Antibodies are the part of immune system that is protein in nature and produced to protect body from pathogens such as bacteria and viruses. These pathogens are recognized through the fragment antigen-binding variable region. Antibodies are also known as immunoglobulin.
Gamma globulins are the class of globulins, Antibodies are the most significant gamma globulins but it should be remember that some antibodies are not gamma globulins.
Correct Answer:
On the basis of above knowledge discussed the correct answer of this question is option b i.e Have a variable region that can activate complement or attach to macrophages.
