I think it is b , that what I would i pick
Hi,
My best answer would be Gravity. Is it a multiple choice question? Or is it an essay question.
Answer:
CaCl2 is a reactant
Explanation:
Calcium carbonate (CaCO3) is a reagent, it is found on the left side, what is found on the right side are the products.
<span>I don't think there is enough information from the question. If you are asked to calculate the number of microbes in a certain area., then it should be that the total area or maybe the volume of that should be given so you can estimate the number of microbes. Hope this helps.</span>
Frequency = (speed) / (wavelength) = 20 / 0.5 = 40 per second = 40 Hz.
