Answer:
it's false because active can change into passive and passive can change into active
Muscle contractions in your lower legs act as pumps, and elactic vein walls help blood return to your heart. Tiny valves in your veins open as blood flows toward your heart then close to stop blood from flowing backward. Causes of varicose veins can include: Age
Answer:
Components to cleaning hands with waterless hand sanitizers (also known as handrubs), the proper technique, and how hand sanitizers work.
Explanation:
Four steps:
Make sure all organic matter is removed from hands.
All visible organic matter (for example: dirt) must be removed from hands prior to applying waterless hand sanitizer.
Apply a dime sized amount of waterless hand sanitizer to the palm of one hand or use a waterless hand sanitizer wipe.
Rub hands together covering all surfaces of hands and fingers.
Rub until waterless hand sanitizer is absorbed.
설명이 마음에 드셨으면 좋겠습니다 :)
The 4th one. Took the test last week and got it wrong because I picked the second one then it said the 4th was correct :)