Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
Answer:
Gene expression is the process by which the instructions in our DNA are converted into a functional product, such as a protein. When the information stored in our DNA? is converted into instructions for making proteins? or other molecules, it is called gene expression
Answer:
pollution of water. or do you mean pollutant in which case would be like garbage or oil spills
Apparent magnitude : How bright a star appears to be
Absolute magnitude : How bright the star actually is
I think the answer is : A. close to earth
The stars only seems to be bright because its radiated from a close distance
hope this helps
Answer:
A.it travels at a different speed
bisible energy from the sun is different from the non visible energy.