.The answer to this question is: C. ionic bond
In general, Ion particle are <span>formed when atoms lose or gain electron (when loses electron, ion become positive. When gaining it, ions become negatively charged)
Among the chemical substances, Metal atoms had the positive ions and nonmetal atoms will have negative ions</span>
<span>When the inorganic component of bone should be loss then Osteoporosis should occur. Osteoporosis is a bone disease that occurs when the body loses too much bone, makes too little bone, or both. As a result, bones become weak and may break from a fall or, in serious cases, from sneezing or minor bumps.</span>
Answer:
D
Explanation:
A and b are basically the same thing and when overtraining you might feel sick
In this case, it will all came to the material of the target. The easiest one should be the one that is made by nylon target.
The hardest one to knock over would be made by materials such as silicone, which will basically provide strong deflection for the ball
hope this helps
An experiment should have only one independent variable.
