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.
Answer:
it's yeast .........................
Is a technique used to date materials such as rocks or carbon
Condensation is when the water vapor changes into water droplets
Two procedures that should be used to properly handle a microscope are:
1.) Carry the microscope with both hands.
2.) Transport one microscope to your work area. Remove the dust cover.
