The Apollo program was designed to land humans on the Moon and bring them safely back to Earth.
The reproductive system is a group of sex organs that work together for the purpose of sexual reproduction. Hope this helped!
The need for natural resource should increase.
The correct option is B.
A multi cellular organisms has many cells which carry out various function and which are organised into tissues, organs and organ system. A unicellular organism on the other hand has only one cell with different cell organelles. Thus, in unicellular organisms, it is the cell organelles that carry out different functions. <span />
