Answer:
b
Explanation:
a. (x-2)/(x-1) =(7/9-2)/(7/9-1)
=<u>-</u><u>1</u><u>1</u><u>/</u><u>9</u><u> </u> =11/2 >x
-2/9
b. <u>7</u><u>/</u><u>9</u><u>+</u><u>1</u> =<u>1</u><u>6</u><u>/</u><u>9</u> =-8<x
7/9-1 -2/9
c. <u>1</u><u> </u><u> </u> =9/7 >x
7/9
d. <u>(7/9+1)</u><u> </u> =<u>16/9 </u><u>=</u> 16/7 >x
7/9 7/9
This is an example of asexual reproduction because the cells are dividing and not binding as with sexual reproduction.
Option C and D.
Please correct me if im wrong.
Explanation:
Single displacement reaction is defined as the reaction in which more reactive element displaces a less reactive element from its chemical reaction. The reactivity of metal is determined by a series known as reactivity series. The metals lying above in the series are more reactive than the metals which lie below in the series
