<span>Cells undergo mitosis for three main reasons:
-To repair and/or replace old or damaged cells.
-During periods of cell and tissue growth
-When the body needs exact replicas/copies of cells e.g. hair cells and blood cells.</span>
Helped me learn how to spell words, held pictures or papers up, collected metal items that were lost
Answer:
I think it is A
Explanation:
Below, what belongs to the organs of the circulatory system in humans is...
<em>a. heart - kidneys - lungs</em>
b. heart-blood vessels - blood
c. heart - kidney - liver
d. heart - lungs
Answer:
12.72 sec
Explanation:
The time it takes to travel a certain distance can be found by dividing the distance that needs to be travelled by the speed with which you are travelling, therefore...
The resultant force on the system is equivalent to the difference in the weights of the chandelier and Robin Hood.
F(net) = 240g - 85g
F(net) = 155g
Robin Hood's Acceleration:
F = ma
155g = 85a
a = 17.89 m/s²
Tension = mg + ma
Tension = 85(g + a)
Tension = 2400 N