An element is a pure substance that cant be broken down into simpler substances by chemical or physical means. hope it helps :)
If a red blood cell is 7 x
m in size, it means that such a cell is 7 microns or micrometer in size. The unit that completes the sentence will, thus, be microns or micrometer.
According to international system of measurement:
m = decimeter
m = centimeter
m = millimeter
m = micrometer or micron
m = nanometer
Thus, a measurement of 7 x
m is the same is 7 micons or 7 micrometer.
More on metric conversion can be found here: brainly.com/question/17767575
Brain-powered cars?
The answer would be people who lack motor skills in their legs.
Answer:
b
Explanation:
i think we have not learned that yet
im so sorry if it is wrong