All of the following search engines are meta-search engines with the exception of
a. hotbot.
b. webcrawler.
c. ask.
d. dogpile.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.

which of the following is not an effect of technology on farming?

the correct answer is: it makes farmers perform more tasks by hand for apex.