Científicos del siglo XII y XIII y sus aportaciones

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?