Answer:
Substance B is a group of hydroxide ions.
Explanation:
ERGONOMIC keyboards such as "Microsoft Natural Keyboard" can help prevent injuries from using the keyboard for long periods of time. Posture related injuries result from long use of laptops and computers. The ergonomic keyboards are easily adjustable by adjusting height in a particular angle.
Maybe bro. You should try and give it a chance most likely they’ll say yes :)
<span> water is a solvent. It helps to break waste and nutrients down in the </span>cell so <span>that they can be moved through the various membranes. this is necessary in a cell </span><span />
1- they can be used as domestic fuel for cooking instead of kerosene or firewood that contribute to pollution
2-they can also used to generate electricity in rural areas as these areas has not enough resources of electricity
