Which of the following is true regarding active transport? Choose 1
А
It allows particles to pass easily between lipids in cell
membranes.
B
An input of energy is not needed for it to occur.
C
It moves particles from areas of high concentration to
areas of low concentration.
D
It occurs against the concentration gradient.​

i think it is true since you can test the answer and can use observations to complete it.

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i  

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.

catya your not at all which answer i've seen you do this on another question!