The answer is C. Aluminium since it is highly reactive
Raisins are dried up grapes. The drying process worked on preserving raisins. Most of the water contained in them was removed during the drying process. This dry environment is not suitable for bacteria to breed in and, thus, raisins won't go rancid.
Answer:
C
Explanation:
The cold doesn't mean water (A), the age of the desert doesn't mean much in this context (B), that doesn't make any sense (D), but the desert being an ocean in the past does explain where the fossil came from because the organism would have been in the area before death.
Umm what is your question
First you should find no of mole.
a mole is a measurement of the number of number of grams in which there are 6.02 x 10^23 atoms/molecules of a substance.
1.468 moles of NH3 in 25 grams.
(25/17.0306) 1.468 x (6.02 x 10^23) = 8.837 x 10^23 molecules.
hope this help