The answer to this question is B
Answer:
Capillarie are much smaller then arteries or veins
It doubles, so the answer is 8 chromosomes.
It has to be a , T cells are are your killer cells
The answer would be:
<u><em>B. Acceleration is a vector quantity.</em></u>
We can rule out the others because:
---Acceleration CAN be described with a negative number. The sign actually shows the direction. A negative number indicates a deceleration.
---Displacement change over time is the definition of velocity NOT acceleration.
---The SI unit for acceleration is m/s².
***A <em>vector quantity</em> is measure of <u>magnitude</u> and <u>direction</u>, which acceleration has.
