Explanation:
oxygen and are negatively charged anions because the oxygen atoms attract electrons. Ammonium is one of the few positively charged polyatomic ions or cations and doesn't contain oxygen.
Answer:
The <em>C)</em> statement is true.
Explanation:
Let's call <em>
</em> the average for the first class and <em>
</em>the average for the second class. The overall average <em>x</em> is then:
Since the average is given by <em>
</em>. We can now calculate <em>x</em> assuming the maximun and minimun values of <em></em>, 2400 (which is 100 times 24) and 0 respectivly. That gives:
for it's maximun value and
for it's minimun value. So we get that <em>x</em> is between 36% and 93%.
Answer:
migratory distribution
Explanation: The pattern of migratory distribution of species may require collaboration between different countries for effective preservation. This is because species migration can make them enter different territories, which will need to provide an effective level of preservation for species survival
Answer:
Do you want an explaniton to? btw the answer is
1 in the 13
2 in the 8
3 in the 42
4 in the Mo
5 in the 96
6 in the 1
7 in the 18
8 in the 2
