C) ribosomes and mitochondria
Answer:
occurs in an ideal, unlimited environment.
Explanation:
The answer is 4.315 billion kilometers so it would be 4.315 x 10 to the 9th power if that is what is meant and Neptune is the eighth planet outward from the sun (the most distant planet from the sun) so it is a tremendous distance from the earth and would be very hard for humans to reach with such a distance.
B. Facilitated diffusion.
Facilities diffusion is a type of passive transport that invokes a protein. molecules move from an area of high concentration to low concentration as seen in the picture with the help of a protein.
Answer:
the difference between the mass of an isotope and its mass number.
Explanation:
