Answer:
By visiting other households with cats.
Explanation:
This will give Brian a variety of other houses and determine if it is truly cats or just alleries from other items. This is the most direct way to get Brian the answer he is looking for.
Solubility is a function of temperature. But for this case solubility is not given at that certain temperature and it is somewhat difficult to find for certain datas. I would be using the solubility at 20 degrees celsius which is 1.85g/100g Water
.0185 g / g water = g barium hydroxide / 100 g
1.85 g of barium hydroxide can be dissolved in 100 g of water.
Hope this could help. Have a nice day.
Answer:
C i think im so sorry if is wrong
When a ray<span> of </span>light<span> passes from a denser material into a less dense material </span><span>it is bent towards the surface between the two materials. This means that in this situation the angle of refraction is always greater than the angle of incidence. They also apply to </span>light<span> passing </span>through lenses<span>.</span>
