Answer: A hypothesis is generally based upon either someone else's observation or on previous studies.
Explanation: They just keep testing it to make sure it's <em>always </em>true.
Uuhhhhhh uhhhh uhhh yhhh minecraft?
Answer:
C
Explanation:
The reason why is beacause most of the dino's and other spices that were here before humanity are exctinct. Some are still alive and have evovled into something greater such as a crocidile, and many other repitlians
Hope this helps!
Pls mark brainlest!
Answer:
The <u>transition metals</u><u> </u>form colored ions.
Explanation:
hope it helps:)
To determine the amount of a substance in units of moles from units of grams, we need to determine the molar mass of the substance. <span>The </span>molar mass<span> is the </span>mass<span> of a given chemical element or chemical compound (g) divided by the amount of substance (mol). For CuF2, the molar mass </span><span>101.543 g/mol. We calculate as follows:
100.0 g CuF2 ( 1 mol / 101.543 g) = 0.98 mol CuF2</span>
