Some bacteria live in the human digestive tract. Here bacteria finds a good environment to obtain nutrients. Humans improve the health of their digestive tract due to the presence of this bacteria
A. predation
B. commensalism
C. parasitism
D. mutualism

the bullets go in this order.

4, 1, 3, 5, 2

it's the cell cycle, but cytokines is when the cell divides.

theres 3 stages interphase,mitosis,and cytokines.

interphase prepares the cell for division.

mitosis is the process of dividing the cell,it has 4 parts interphase,anaphase,metaphase,and telophase.

lastly there's cytokines,that's when the cell divides into 2 daughter cells

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

a and c are the answeres