The answer is b. the rotation of the earth on its axis
Explaination;
the earth spins (or rotates) on an imaginary line called its axis and different parts of the planet are facing towards the Sun or away from it
These organisms are called Decomposers* They eat dead plants and animals and leave nutrients in the soil.
For exmaple, worms:P~~
C: The organelles are enclosed in membranes
The answer to this question is: Public health
People in public health working in a large population. They are not focusing on individual health like physician and clinician that works in a hospital. Most of their activity is to promote health. Some of them is making a nationwide policy about health.